August 2004 - openSUSE Security Announce

SUSE Security Announcement: qt3 (SUSE-SA:2004:027)
by Thomas Biege 19 Aug '04

19 Aug '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: qt3/qt3-non-mt/qt3-32bit/qt3-static Announcement-ID: SUSE-SA:2004:027 Date: Thursday, Aug 19th 2004 15:00 MEST Affected products: 8.1, 8.2, 9.0, 9.1 SUSE Linux Database Server, SUSE eMail Server III, 3.1 SUSE Linux Enterprise Server 8, 9 SUSE Linux Firewall on CD/Admin host SUSE Linux Connectivity Server SUSE Linux Office Server Vulnerability Type: remote system compromise Severity (1-10): 7 SUSE default package: yes Cross References: CAN-2004-0691 CAN-2004-0692 CAN-2004-0693 Content of this advisory: 1) security vulnerability resolved: - buffer overflow in image handling code problem description 2) solution/workaround 3) special instructions and notes 4) package location and checksums 5) pending vulnerabilities, solutions, workarounds: - opera - acroread 6) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion The QT-library is an environment for GUI-programming and is used in various well-known projects, like KDE. Chris Evans found a heap overflow in the BMP image format parser (CAN-2004-0691) which can probably be abused by remote attackers to execute arbitrary code with the privileges of the user using a malformed image as input for a vulnerable QT-based application. Additionally a NULL dereference in the GIF parser (CAN-2004-0693) was found. This lead to more research by other people and revealed another NULL dereference in the XPM parser (CAN-2004-0692) found by Marcus Meissner, SuSE Security-Team. The last two bugs can be used to trigger a remote denial-of-service attack against QT-based applications. 2) solution/workaround A temporary workaround for this issue is not known. 3) special instructions and notes After applying the update make sure all QT-based applications are restarted. It would be best to re-login if you use KDE. 4) package location and checksums Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. x86 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-3.3.1-36.16.i586.r… ee1026d5b6a4a554d95ce9d3626d6bf7 ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-non-mt-3.3.1-41.14… ea6c27890eb69d47b54786a727cb782f ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-static-3.3.1-41.14… b965364531163627f34b9a66e6d0b07e patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-3.3.1-36.16.i586.p… e698670506097dff0f9e61b594bcfeb9 ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-non-mt-3.3.1-41.14… e64be5421ff6f1451c2b2dc926f8f081 ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/qt3-static-3.3.1-41.14… b891c79e3a96538b69417e1aba6e85c4 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/qt3-3.3.1-36.16.src.rpm 7d3b4859cca3548004d4dc0e2cb431a8 ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/qt3-non-mt-3.3.1-41.14.… 1ebff5e543d7d36cd13670189fe50443 ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/qt3-static-3.3.1-41.14.… a14a20c83eedde899af40a88cf60a14a SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-3.2.1-68.i586.rpm 975f35315d69a283355a9734edb323b1 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-non-mt-3.2.1-70.i5… 2256aa7e05a0d6f3a055dc915c6823a9 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-static-3.2.1-70.i5… df61777b0ce9dc097c794bcf3d236981 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-3.2.1-68.i586.patc… 26cb661048adf99b3633d633347043a7 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-non-mt-3.2.1-70.i5… f36dcd428c96ff5126817d0dfb130816 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-static-3.2.1-70.i5… 2bb28c8adac1b2db9a5c024c66095254 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/qt3-3.2.1-68.src.rpm 79e218f9442f1d466d962c1a8c192f6d ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/qt3-non-mt-3.2.1-70.src… df6ad6d300013d65cce5907bc4db2cce ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/qt3-static-3.2.1-70.src… 55a6d43b4e9cb67e3cff9efa6948e28d SUSE Linux 8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-3.1.1-118.i586.rpm cdd76473d916801409c2076b5d8cb46a ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-non-mt-3.1.1-125.i… 2cd5ce43cd92a32ad398c951678bfdd4 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-static-3.1.1-124.i… ec1dd1ddd3386ff6928c6fd865efcf31 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-3.1.1-118.i586.pat… cc95b4f40c3cafb77ecedbd99c820cad ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-non-mt-3.1.1-125.i… a114f7060501d6b5eab88ed7b97f5da1 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-static-3.1.1-124.i… 7da86919fd126713bb45fc30c8689b0b source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/qt3-3.1.1-118.src.rpm 843966bca098ac9c4e14f07c4cbdfc31 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/qt3-non-mt-3.1.1-125.sr… ce74982f20ab42826681e6839a6c8985 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/qt3-static-3.1.1-124.sr… 31125b894ab4554760941b92d74d7b24 SUSE Linux 8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-3.0.5-167.i586.rpm c9d7dc3a5670751d223c64b7e9fb9268 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-non-mt-3.0.5-231.i… fbab1881ad8cbbb9631a61592a86c271 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-static-3.0.5-159.i… 0e4950eebe57d7fa9994320c74382049 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-3.0.5-167.i586.pat… 5925050be240253a7c084ce981c85bc7 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-non-mt-3.0.5-231.i… 62e78b9496aeb0d0840f6a13d7e59785 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-static-3.0.5-159.i… 456b459f8c2ca4faaa0fabe3b334e570 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/qt3-non-mt-3.0.5-231.no… 53c739863f94725f0f9fb5f0a1b9e4fd ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/qt3-static-3.0.5-159.no… fe6b13ab4a056648b75597f2727e25d7 x86-64 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-3.3.1-36.16.x8… 3524b344918baf5355c7c2e0725db323 ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-non-mt-3.3.1-4… 6b0e942470d01229251e574dd9d4f96d ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-static-3.3.1-4… e9d953b5d043b290b3b1cff662f86946 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-3.3.1-36.16.x8… d4ad80cb52efb2d135f398e209c52632 ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-non-mt-3.3.1-4… b84ad3c425ba10a37faa9bbba6a060c7 ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/qt3-static-3.3.1-4… d53a5b337037a74589b11da4729bfa14 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/qt3-3.3.1-36.16.src.r… 68a890f08853c1cdc08788a9241d0cbf ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/qt3-non-mt-3.3.1-41.1… 937ee28b2e943d0c8dc0ffe618afb5b1 ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/qt3-static-3.3.1-41.1… 95b1ba6fe5ef947376570de538578081 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-3.2.1-68.x86_6… b2110cb13ee350d616f6558fa719089e ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-non-mt-3.2.1-7… 2e43ea64c00a319d734dcba439a8b08e ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-static-3.2.1-7… 1856dbb6ac0a1936766f45bf4de4d1c3 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-3.2.1-68.x86_6… e358d84c5b3cb6633cc932d25f4ab7bf ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-non-mt-3.2.1-7… 6d7f993e6148b60eaa40dadc5c2b9919 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/qt3-static-3.2.1-7… 0717ffc7d31766e3cba63b5af84b338a source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/qt3-3.2.1-68.src.rpm 5091d4b48d52dae0efc4c50e1dffad19 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/qt3-non-mt-3.2.1-70.s… 24524c12c4315715a925e2d4dee12235 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/qt3-static-3.2.1-70.s… c0987ba79b084d5782441890a2a0dacf ______________________________________________________________________________ 5) Pending vulnerabilities in SUSE Distributions and Workarounds: - opera The web-browser opera is affected by several security bugs. Due to the nature of this package we are not able to provide security updates in a timely manner and have to wait for binary packages to be published by "Opera Software". - acroread iDEFENSE reported a buffer overflow and insecure handling of shell meta-chars in acroread code. We depend on the release of a new binary package by Adobe. An update will be available as soon as possible. ______________________________________________________________________________ 6) standard appendix: authenticity verification, additional information - Package authenticity verification: SUSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SUSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de) the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SUSE in rpm packages for SUSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SUSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SUSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SUSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security(a)suse.de> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build(a)suse.de> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org mQGiBDnu9IERBACT8Y35+2vv4MGVKiLEMOl9GdST6MCkYS3yEKeueNWc+z/0Kvff 4JctBsgs47tjmiI9sl0eHjm3gTR8rItXMN6sJEUHWzDP+Y0PFPboMvKx0FXl/A0d M+HFrruCgBlWt6FA+okRySQiliuI5phwqkXefl9AhkwR8xocQSVCFxcwvwCglVcO QliHu8jwRQHxlRE0tkwQQI0D+wfQwKdvhDplxHJ5nf7U8c/yE/vdvpN6lF0tmFrK XBUX+K7u4ifrZlQvj/81M4INjtXreqDiJtr99Rs6xa0ScZqITuZC4CWxJa9GynBE D3+D2t1V/f8l0smsuYoFOF7Ib49IkTdbtwAThlZp8bEhELBeGaPdNCcmfZ66rKUd G5sRA/9ovnc1krSQF2+sqB9/o7w5/q2qiyzwOSTnkjtBUVKn4zLUOf6aeBAoV6NM CC3Kj9aZHfA+ND0ehPaVGJgjaVNFhPi4x0e7BULdvgOoAqajLfvkURHAeSsxXIoE myW/xC1sBbDkDUIBSx5oej73XCZgnj/inphRqGpsb+1nKFvF+rQoU3VTRSBQYWNr YWdlIFNpZ25pbmcgS2V5IDxidWlsZEBzdXNlLmRlPohcBBMRAgAcBQI57vSBBQkD wmcABAsKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyl8sAJ98BgD40zw0GHJHIf6d NfnwI2PAsgCgjH1+PnYEl7TFjtZsqhezX7vZvYCIRgQQEQIABgUCOnBeUgAKCRCe QOMQAAqrpNzOAKCL512FZvv4VZx94TpbA9lxyoAejACeOO1HIbActAevk5MUBhNe LZa/qM2JARUDBRA6cGBvd7LmAD0l09kBATWnB/9An5vfiUUE1VQnt+T/EYklES3t XXaJJp9pHMa4fzFa8jPVtv5UBHGee3XoUNDVwM2OgSEISZxbzdXGnqIlcT08TzBU D9i579uifklLsnr35SJDZ6ram51/CWOnnaVhUzneOA9gTPSr+/fT3WeVnwJiQCQ3 0kNLWVXWATMnsnT486eAOlT6UNBPYQLpUprF5Yryk23pQUPAgJENDEqeU6iIO9Ot 1ZPtB0lniw+/xCi13D360o1tZDYOp0hHHJN3D3EN8C1yPqZd5CvvznYvB6bWBIpW cRgdn2DUVMmpU661jwqGlRz1F84JG/xe4jGuzgpJt9IXSzyohEJB6XG5+D0BiF0E ExECAB0FAjxqqTQFCQoAgrMFCwcKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyp1f AJ9dR7saz2KPNwD3U+fy/0BDKXrYGACfbJ8fQcJqCBQxeHvt9yMPDVq0B0W5Ag0E Oe70khAIAISR0E3ozF/la+oNaRwxHLrCet30NgnxRROYhPaJB/Tu1FQokn2/Qld/ HZnh3TwhBIw1FqrhWBJ7491iAjLR9uPbdWJrn+A7t8kSkPaF3Z/6kyc5a8fas44h t5h+6HMBzoFCMAq2aBHQRFRNp9Mz1ZvoXXcI1lk1l8OqcUM/ovXbDfPcXsUVeTPT tGzcAi2jVl9hl3iwJKkyv/RLmcusdsi8YunbvWGFAF5GaagYQo7YlF6UaBQnYJTM 523AMgpPQtsKm9o/w9WdgXkgWhgkhZEeqUS3m5xNey1nLu9iMvq9M/iXnGz4sg6Q 2Y+GqZ+yAvNWjRRou3zSE7Bzg28MI4sAAwYH/2D71Xc5HPDgu87WnBFgmp8MpSr8 QnSs0wwPg3xEullGEocolSb2c0ctuSyeVnCttJMzkukL9TqyF4s/6XRstWirSWaw JxRLKH6Zjo/FaKsshYKf8gBkAaddvpl3pO0gmUYbqmpQ3xDEYlhCeieXS5MkockQ 1sj2xYdB1xO0ExzfiCiscUKjUFy+mdzUsUutafuZ+gbHog1CN/ccZCkxcBa5IFCH ORrNjq9pYWlrxsEn6ApsG7JJbM2besW1PkdEoxak74z1senh36m5jQvVjA3U4xq1 wwylxadmmJaJHzeiLfb7G1ZRjZTsB7fyYxqDzMVul6o9BSwO/1XsIAnV1uuITAQY EQIADAUCOe70kgUJA8JnAAAKCRCoTtronIAKyksiAJsFB3/77SkH3JlYOGrEe1Ol 0JdGwACeKTttgeVPFB+iGJdiwQlxasOfuXyITAQYEQIADAUCPGqpWQUJCgCCxwAK CRCoTtronIAKyofBAKCSZM2UFyta/fe9WgITK9I5hbxxtQCfX+0ar2CZmSknn3co SPihn1+OBNyZAQ0DNuEtBAAAAQgAoCRcd7SVZEFcumffyEwfLTcXQjhKzOahzxpo omuF+HIyU4AGq+SU8sTZ/1SsjhdzzrSAfv1lETACA+3SmLr5KV40Us1w0UC64cwt A46xowVq1vMlH2Lib+V/qr3b1hE67nMHjysECVx9Ob4gFuKNoR2eqnAaJvjnAT8J /LoUC20EdCHUqn6v+M9t/WZgC+WNR8cq69uDy3YQhDP/nIan6fm2uf2kSV9A7ZxE GrwsWl/WX5Q/sQqMWaU6r4az98X3z90/cN+eJJ3vwtA+rm+nxEvyev+jaLuOQBDf ebh/XA4FZ35xmi+spdiVeJH4F/ubaGlmj7+wDOF3suYAPSXT2QAFEbQlU3VTRSBT ZWN1cml0eSBUZWFtIDxzZWN1cml0eUBzdXNlLmRlPokBFQMFEDbhLUfkWLKHsco8 RQEBVw4H/1vIdiOLX/7hdzYaG9crQVIk3QwaB5eBbjvLEMvuCZHiY2COUg5QdmPQ 8SlWNZ6k4nu1BLcv2g/pymPUWP9fG4tuSnlUJDrWGm3nhyhAC9iudP2u1YQY37Gb B6NPVaZiYMnEb4QYFcqv5c/r2ghSXUTYk7etd6SW6WCOpEqizhx1cqDKNZnsI/1X 11pFcO2N7rc6byDBJ1T+cK+F1Ehan9XBt/shryJmv04nli5CXQMEbiqYYMOu8iaA 8AWRgXPCWqhyGhcVD3LRhUJXjUOdH4ZiHCXaoF3zVPxpeGKEQY8iBrDeDyB3wHmj qY9WCX6cmogGQRgYG6yJqDalLqrDOdmJARUDBRA24S0Ed7LmAD0l09kBAW04B/4p WH3f1vQn3i6/+SmDjGzUu2GWGq6Fsdwo2hVM2ym6CILeow/K9JfhdwGvY8LRxWRL hn09j2IJ9P7H1Yz3qDf10AX6V7YILHtchKT1dcngCkTLmDgC4rs1iAAl3f089sRG BafGPGKv2DQjHfR1LfRtbf0P7c09Tkej1MP8HtQMW9hPkBYeXcwbCjdrVGFOzqx+ AvvJDdT6a+oyRMTFlvmZ83UV5pgoyimgjhWnM1V4bFBYjPrtWMkdXJSUXbR6Q7Pi RZWCzGRzwbaxqpl3rK/YTCphOLwEMB27B4/fcqtBzgoMOiaZA0M5fFoo54KgRIh0 zinsSx2OrWgvSiLEXXYKiEYEEBECAAYFAjseYcMACgkQnkDjEAAKq6ROVACgjhDM /3KM+iFjs5QXsnd4oFPOnbkAnjYGa1J3em+bmV2aiCdYXdOuGn4ZiQCVAwUQN7c7 whaQN/7O/JIVAQEB+QP/cYblSAmPXxSFiaHWB+MiUNw8B6ozBLK0QcMQ2YcL6+Vl D+nSZP20+Ja2nfiKjnibCv5ss83yXoHkYk2Rsa8foz6Y7tHwuPiccvqnIC/c9Cvz dbIsdxpfsi0qWPfvX/jLMpXqqnPjdIZErgxpwujas1n9016PuXA8K3MJwVjCqSKI RgQQEQIABgUCOhpCpAAKCRDHUqoysN/3gCt7AJ9adNQMbmA1iSYcbhtgvx9ByLPI DgCfZ5Wj+f7cnYpFZI6GkAyyczG09sE= =LRKC - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iQEVAwUBQSS29Xey5gA9JdPZAQFZAgf+KI1R99QGlkHl+CwMRMImn1KDhHAr2k/x T9ZYnk7uZv//DNhoRCnfD9J9hAaiUvHh8S2CHc+ET9o4MQkrSrM+kACus6RKF2t+ ffFZIjCG0xzdRGgvmIyLS+h3BPijMERtszg3tJrzbLAcd1NQjQb27ACjr8n+faQl L/V1cOFrpd6lJMW0lg8WvHcxe9wwHk9h+HqltHIGCSqIGFZD0Icjw4DqAT1aNoiG kswfOuumzm11I6op8oK5F7snQyb8AnEgrtK62yt2eB3hTgnUs/E5wNv5+xoMRuyI MNYVKSEQKft3gn8P6hyi9IwLyCZW9WAkyMmplwbosDWf+6vwMpij1Q== =Ik0W -----END PGP SIGNATURE-----

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SUSE Security Announcement: rsync (SUSE-SA:2004:026)
by Thomas Biege 16 Aug '04

16 Aug '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: rsync Announcement-ID: SUSE-SA:2004:026 Date: Monday, Aug 16th 2004 16:00 MEST Affected products: 8.1, 8.2, 9.0, 9.1 SUSE Linux Database Server, SUSE eMail Server III, 3.1 SUSE Linux Enterprise Server 8, 9 SUSE Linux Firewall on CD/Admin host SUSE Linux Connectivity Server SUSE Linux Office Server Vulnerability Type: remote system compromise Severity (1-10): 2 SUSE default package: no Cross References: http://samba.org/rsync/#security_aug04 Content of this advisory: 1) security vulnerability resolved: - insufficient pathname sanitizing problem description 2) solution/workaround 3) special instructions and notes 4) package location and checksums 5) pending vulnerabilities, solutions, workarounds: - KDE - mozilla/firefox - xine-lib - opera - acroread 6) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion The rsync-team released an advisory about a security problem in rsync. If rsync is running in daemon-mode and without a chroot environment it is possible for a remote attacker to trick rsyncd into creating an absolute pathname while sanitizing it. As a result it is possible to read/write from/to files outside the rsync directory. SUSE LINUX ships the rsync daemon with a chroot environment enabled by default, therefore the default setup is not vulnerable. 2) solution/workaround As a temporary workaround we suggest to keep the chroot-option of rsyncd enabled or to avoid the daemon-mode and use SSH as transport channel if possible. 3) special instructions and notes After applying the update, all instances of the rsyncd should be closed and the rsync daemon should be restarted. Please execute the following command as root: 'rcrsyncd restart' 4) package location and checksums Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. x86 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/rsync-2.6.2-8.9.i586.r… afa5b8894e2d1acff4b040e8ba515ae4 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/rsync-2.6.2-8.9.i586.p… c0bf6dcf573a9a4197da0977ea638f2a source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/rsync-2.6.2-8.9.src.rpm f31f409225560bd1ac1d5fb5f0d8c43e SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/rsync-2.6.2-26.i586.rpm 5d7be9a510a4a5fafccbc29c63b0dec8 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/rsync-2.6.2-26.i586.pa… 70809462c5d88bc8241b544100689efe source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/rsync-2.6.2-26.src.rpm f92d91816456f0e626ea1ee41ebe8b65 SUSE Linux 8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/rsync-2.6.2-26.i586.rpm 4f901dee110596bf2a48a24d8d094b71 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/rsync-2.6.2-26.i586.pa… c7260721ec51a569309cd4629a3a5ad1 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/rsync-2.6.2-26.src.rpm fcd540a8e89c864b56cbad7d60696450 SUSE Linux 8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/rsync-2.6.2-25.i586.rpm 193752687ef1d98a5ebec4ff471842b1 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/rsync-2.6.2-25.i586.pa… 9b6225e3bd2ff624f5f61bd6b033e8b8 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/rsync-2.6.2-25.src.rpm 0f649de8547008aa5e2a977ff209fca3 x86-64 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/rsync-2.6.2-8.9.x8… 745a09fdbccc7ccfea9705f54a6825a3 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/rsync-2.6.2-8.9.x8… 725b10d1703f6ee41185564d08b151d3 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/rsync-2.6.2-8.9.src.r… 6145ed8346ebfd63863734b30fc3a8e9 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/rsync-2.6.2-26.x86… 20d3b3f8b3fde71ae1c3f0eed22feee0 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/rsync-2.6.2-26.x86… 9bc24b61361c74f37e4fd81e8e7faa98 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/rsync-2.6.2-26.src.rpm 599e9f0a19fd2890499c863cd0394598 ______________________________________________________________________________ 5) Pending vulnerabilities in SUSE Distributions and Workarounds: - KDE The KDE libs package contained two occurrences of insecure handling of temporary files in the mcoputils code (Thanks to Andrew Tuitt for reporting this to us) and in the dcopserver code. These two bugs can be exploited locally to remove and/or overwrite files with the privileges of the user running a vulnerable KDE application. A bug in the kdebase3 package allows the content of unrelated browser windows to be modified. This issue may be used to trick users into entering sensitive informations on a malicious web-site. New packages are available on our FTP servers. - mozilla/firefox We are currently testing new mozilla/firefox packages that include several fixes for security-related bugs. New packages are available on our FTP servers (for some products we have to delay the delivery of the update package). - xine-lib This update of xine fix' a buffer overflow in the vcd input source identifier. This buffer overflow is independent of the media format. The bug can be used to execute arbitrary commands. New packages are available on our FTP servers. - opera The web-browser opera is affected by several security bugs. Due to the nature of this package we are not able to provide security updates in a timely manner and have to wait for binary packages to be published by "Opera Software". - acroread iDEFENSE reported a buffer overflow and insecure handling of shell meta-chars in acroread code. We depend on the release of a new binary package by Adobe. An update will be available as soon as possible. ______________________________________________________________________________ 6) standard appendix: authenticity verification, additional information - Package authenticity verification: SUSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SUSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de) the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SUSE in rpm packages for SUSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SUSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SUSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SUSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security(a)suse.de> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build(a)suse.de> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org mQGiBDnu9IERBACT8Y35+2vv4MGVKiLEMOl9GdST6MCkYS3yEKeueNWc+z/0Kvff 4JctBsgs47tjmiI9sl0eHjm3gTR8rItXMN6sJEUHWzDP+Y0PFPboMvKx0FXl/A0d M+HFrruCgBlWt6FA+okRySQiliuI5phwqkXefl9AhkwR8xocQSVCFxcwvwCglVcO QliHu8jwRQHxlRE0tkwQQI0D+wfQwKdvhDplxHJ5nf7U8c/yE/vdvpN6lF0tmFrK XBUX+K7u4ifrZlQvj/81M4INjtXreqDiJtr99Rs6xa0ScZqITuZC4CWxJa9GynBE D3+D2t1V/f8l0smsuYoFOF7Ib49IkTdbtwAThlZp8bEhELBeGaPdNCcmfZ66rKUd G5sRA/9ovnc1krSQF2+sqB9/o7w5/q2qiyzwOSTnkjtBUVKn4zLUOf6aeBAoV6NM CC3Kj9aZHfA+ND0ehPaVGJgjaVNFhPi4x0e7BULdvgOoAqajLfvkURHAeSsxXIoE myW/xC1sBbDkDUIBSx5oej73XCZgnj/inphRqGpsb+1nKFvF+rQoU3VTRSBQYWNr YWdlIFNpZ25pbmcgS2V5IDxidWlsZEBzdXNlLmRlPohcBBMRAgAcBQI57vSBBQkD wmcABAsKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyl8sAJ98BgD40zw0GHJHIf6d NfnwI2PAsgCgjH1+PnYEl7TFjtZsqhezX7vZvYCIRgQQEQIABgUCOnBeUgAKCRCe QOMQAAqrpNzOAKCL512FZvv4VZx94TpbA9lxyoAejACeOO1HIbActAevk5MUBhNe LZa/qM2JARUDBRA6cGBvd7LmAD0l09kBATWnB/9An5vfiUUE1VQnt+T/EYklES3t XXaJJp9pHMa4fzFa8jPVtv5UBHGee3XoUNDVwM2OgSEISZxbzdXGnqIlcT08TzBU D9i579uifklLsnr35SJDZ6ram51/CWOnnaVhUzneOA9gTPSr+/fT3WeVnwJiQCQ3 0kNLWVXWATMnsnT486eAOlT6UNBPYQLpUprF5Yryk23pQUPAgJENDEqeU6iIO9Ot 1ZPtB0lniw+/xCi13D360o1tZDYOp0hHHJN3D3EN8C1yPqZd5CvvznYvB6bWBIpW cRgdn2DUVMmpU661jwqGlRz1F84JG/xe4jGuzgpJt9IXSzyohEJB6XG5+D0BiF0E ExECAB0FAjxqqTQFCQoAgrMFCwcKAwQDFQMCAxYCAQIXgAAKCRCoTtronIAKyp1f AJ9dR7saz2KPNwD3U+fy/0BDKXrYGACfbJ8fQcJqCBQxeHvt9yMPDVq0B0W5Ag0E Oe70khAIAISR0E3ozF/la+oNaRwxHLrCet30NgnxRROYhPaJB/Tu1FQokn2/Qld/ HZnh3TwhBIw1FqrhWBJ7491iAjLR9uPbdWJrn+A7t8kSkPaF3Z/6kyc5a8fas44h t5h+6HMBzoFCMAq2aBHQRFRNp9Mz1ZvoXXcI1lk1l8OqcUM/ovXbDfPcXsUVeTPT tGzcAi2jVl9hl3iwJKkyv/RLmcusdsi8YunbvWGFAF5GaagYQo7YlF6UaBQnYJTM 523AMgpPQtsKm9o/w9WdgXkgWhgkhZEeqUS3m5xNey1nLu9iMvq9M/iXnGz4sg6Q 2Y+GqZ+yAvNWjRRou3zSE7Bzg28MI4sAAwYH/2D71Xc5HPDgu87WnBFgmp8MpSr8 QnSs0wwPg3xEullGEocolSb2c0ctuSyeVnCttJMzkukL9TqyF4s/6XRstWirSWaw JxRLKH6Zjo/FaKsshYKf8gBkAaddvpl3pO0gmUYbqmpQ3xDEYlhCeieXS5MkockQ 1sj2xYdB1xO0ExzfiCiscUKjUFy+mdzUsUutafuZ+gbHog1CN/ccZCkxcBa5IFCH ORrNjq9pYWlrxsEn6ApsG7JJbM2besW1PkdEoxak74z1senh36m5jQvVjA3U4xq1 wwylxadmmJaJHzeiLfb7G1ZRjZTsB7fyYxqDzMVul6o9BSwO/1XsIAnV1uuITAQY EQIADAUCOe70kgUJA8JnAAAKCRCoTtronIAKyksiAJsFB3/77SkH3JlYOGrEe1Ol 0JdGwACeKTttgeVPFB+iGJdiwQlxasOfuXyITAQYEQIADAUCPGqpWQUJCgCCxwAK CRCoTtronIAKyofBAKCSZM2UFyta/fe9WgITK9I5hbxxtQCfX+0ar2CZmSknn3co SPihn1+OBNyZAQ0DNuEtBAAAAQgAoCRcd7SVZEFcumffyEwfLTcXQjhKzOahzxpo omuF+HIyU4AGq+SU8sTZ/1SsjhdzzrSAfv1lETACA+3SmLr5KV40Us1w0UC64cwt A46xowVq1vMlH2Lib+V/qr3b1hE67nMHjysECVx9Ob4gFuKNoR2eqnAaJvjnAT8J /LoUC20EdCHUqn6v+M9t/WZgC+WNR8cq69uDy3YQhDP/nIan6fm2uf2kSV9A7ZxE GrwsWl/WX5Q/sQqMWaU6r4az98X3z90/cN+eJJ3vwtA+rm+nxEvyev+jaLuOQBDf ebh/XA4FZ35xmi+spdiVeJH4F/ubaGlmj7+wDOF3suYAPSXT2QAFEbQlU3VTRSBT ZWN1cml0eSBUZWFtIDxzZWN1cml0eUBzdXNlLmRlPokBFQMFEDbhLUfkWLKHsco8 RQEBVw4H/1vIdiOLX/7hdzYaG9crQVIk3QwaB5eBbjvLEMvuCZHiY2COUg5QdmPQ 8SlWNZ6k4nu1BLcv2g/pymPUWP9fG4tuSnlUJDrWGm3nhyhAC9iudP2u1YQY37Gb B6NPVaZiYMnEb4QYFcqv5c/r2ghSXUTYk7etd6SW6WCOpEqizhx1cqDKNZnsI/1X 11pFcO2N7rc6byDBJ1T+cK+F1Ehan9XBt/shryJmv04nli5CXQMEbiqYYMOu8iaA 8AWRgXPCWqhyGhcVD3LRhUJXjUOdH4ZiHCXaoF3zVPxpeGKEQY8iBrDeDyB3wHmj qY9WCX6cmogGQRgYG6yJqDalLqrDOdmJARUDBRA24S0Ed7LmAD0l09kBAW04B/4p WH3f1vQn3i6/+SmDjGzUu2GWGq6Fsdwo2hVM2ym6CILeow/K9JfhdwGvY8LRxWRL hn09j2IJ9P7H1Yz3qDf10AX6V7YILHtchKT1dcngCkTLmDgC4rs1iAAl3f089sRG BafGPGKv2DQjHfR1LfRtbf0P7c09Tkej1MP8HtQMW9hPkBYeXcwbCjdrVGFOzqx+ AvvJDdT6a+oyRMTFlvmZ83UV5pgoyimgjhWnM1V4bFBYjPrtWMkdXJSUXbR6Q7Pi RZWCzGRzwbaxqpl3rK/YTCphOLwEMB27B4/fcqtBzgoMOiaZA0M5fFoo54KgRIh0 zinsSx2OrWgvSiLEXXYKiEYEEBECAAYFAjseYcMACgkQnkDjEAAKq6ROVACgjhDM /3KM+iFjs5QXsnd4oFPOnbkAnjYGa1J3em+bmV2aiCdYXdOuGn4ZiQCVAwUQN7c7 whaQN/7O/JIVAQEB+QP/cYblSAmPXxSFiaHWB+MiUNw8B6ozBLK0QcMQ2YcL6+Vl D+nSZP20+Ja2nfiKjnibCv5ss83yXoHkYk2Rsa8foz6Y7tHwuPiccvqnIC/c9Cvz dbIsdxpfsi0qWPfvX/jLMpXqqnPjdIZErgxpwujas1n9016PuXA8K3MJwVjCqSKI RgQQEQIABgUCOhpCpAAKCRDHUqoysN/3gCt7AJ9adNQMbmA1iSYcbhtgvx9ByLPI DgCfZ5Wj+f7cnYpFZI6GkAyyczG09sE= =LRKC - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iQEVAwUBQSDIVXey5gA9JdPZAQECNQf/VieGW0TuUNSEs10A/K2kPDJGzUpOPEs7 KzH0FGH0zT1+Ng9rV8nsez59+OOW0Wlff5BrxKEkz/yNhecNfcoGmg6wmyNPbvBC 4paP85Ft5vNHcy8uipVvOGCqutduNXeZzmYiQXASI9khyylDwwuc8WYYodsBPIbu qKcIm8odxLkRQuyWnTMyOp+JMXYKiLuWjnODHAMIKfsKgDvgzfPdY5Tks8P3bsgd kpNC4DT/dd8q0a0KyGse93tS79l3LeMzdiuFgCe/pC0HNU5In/hgWnGmJ7tonzeT 2mHfL2m7TAEjpfZZpbLD2PTMCQRRybj2tGmAVlSg7XW+kTc9Ff/wRg== =GgJC -----END PGP SIGNATURE-----

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SUSE Security Announcement: gaim (SUSE-SA:2004:025)
by Thomas Biege 12 Aug '04

12 Aug '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: gaim Announcement-ID: SUSE-SA:2004:025 Date: Thursday, Aug 12th 2004 12:00 MEST Affected products: 9.1 Vulnerability Type: remote code execution Severity (1-10): 6 SUSE default package: No Cross References: CAN-2004-0500 Content of this advisory: 1) security vulnerability resolved: - buffer overflow in gaim problem description 2) solution/workaround 3) special instructions and notes 4) package location and checksums 5) pending vulnerabilities, solutions, workarounds: - KDE - mozilla/firefox - ethereal - arts 6) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion Gaim is an instant messaging client which supports a wide range of protocols. Sebastian Krahmer of the SuSE Security Team discovered various remotely exploitable buffer overflows in the MSN-protocol parsing functions during a code review of the MSN protocol handling code. Remote attackers can execute arbitrary code as the user running the gaim client. The vulnerable code exists in SUSE Linux 9.1 only. 2) solution/workaround There is no known workaround. 3) special instructions and notes Before applying the update, all instances of the gaim client should be closed. 4) package location and checksums Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. x86 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/gaim-0.75-79.2.i586.rpm 860321d82ba69b52420f20a79d85e1cf patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/gaim-0.75-79.2.i586.pa… 4f1fc5407a2edf9483103cf1e4c9667b source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/gaim-0.75-79.2.src.rpm 3944443b7a6739d24737eca93cc48e98 x86-64 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/gaim-0.75-79.2.x86… d6cf6e00d46bf3098f4b3a384e14b27f patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/gaim-0.75-79.2.x86… 35aa894e1a3f51fa4e210d0d01bfdd17 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/gaim-0.75-79.2.src.rpm 02e49732c72aec9d928a01491bca68fd ______________________________________________________________________________ 5) Pending vulnerabilities in SUSE Distributions and Workarounds: - KDE The KDE libs package contained two occureneces of insecure handling of temporary files in the mcoputils code (Thanks to Andrew Tuitt for reporting this to us) and in the dcopserver code. These two bugs can be exploited locally to remove and/or overwrite files with the privileges of the user running a vulnerable KDE application. A bug in the kdebase3 package allows the content of unrelated browser windows to be modified. This issue may be used to trick users into entering sensitive informations on a malicious web-site. New packages will be available soon. - mozilla/firefox We are currently testing new mozilla/firefox packages that include several fixes for security-related bugs. New packages will be available soon. - ethereal It may be possible to make Ethereal crash or run arbitrary code by injecting a malformed packet or by convincing someone to read a malformed packet trace file. (CAN-2004-0633, CAN-2004-0634, CAN-2004-0635) New packages are available at our FTP servers. - arts This update removes an inconsistency in the comparsion of credentials while creating temporary files. This flaw can be exploited locally in conjunction with setuid Arts applications. (very unlikely) ______________________________________________________________________________ 6) standard appendix: authenticity verification, additional information - Package authenticity verification: SUSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SUSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de) the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SUSE in rpm packages for SUSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SUSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SUSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SUSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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SUSE Security Announcement: kernel (SUSE-SA:2004:024)
by Thomas Biege 09 Aug '04

09 Aug '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement-ID: SUSE-SA:2004:024 Date: Monday, Aug 9th 2004 08:50 MEST Affected products: 8.0, 8.1, 8.2, 9.0, 9.1 SUSE Linux Database Server, SUSE eMail Server III, 3.1 SUSE Linux Enterprise Server 7, 8, 9 SUSE Linux Firewall on CD/Admin host SUSE Linux Connectivity Server SUSE Linux Office Server Vulnerability Type: local privilege escalation Severity (1-10): 6 SUSE default package: yes Cross References: CAN-2004-0415 Content of this advisory: 1) security vulnerability resolved: - race condition in file offset pointer handling problem description 2) solution/workaround 3) special instructions and notes 4) package location and checksums 5) pending vulnerabilities, solutions, workarounds: - gaim - mozilla/firebird 6) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion Paul Starzetz from iSEC informed us about a race condition in the 64bit file offset handling code of the kernel. The file offset pointer (f_pos) is changed during reading, writing, and seeking through a file to point to the current position in a file. The Linux kernel offers a 32bit and a 64bit API. Unfortunately the value conversion between this two APIs as well as the access to the f_pos pointer is defective. These bugs can be abused (mostly with entries in /proc) by a local attacker to gain access to uninitialized kernel memory which may contain sensitive information (root password and alike). Additionally a bug in the implementation of chown(2) for updating inode times, and a denial-of-service condition that can occur while handling signals was fixed. (Please note that the latter patch can cause problems by leaving zombie processes. We are working on a fix.) 2) solution/workaround The is no workaround known for this problem. Please install the update package for the kernel on your system. 3) special instructions and notes SPECIAL INSTALL INSTRUCTIONS: ============================== The following paragraphs will guide you through the installation process in a step-by-step fashion. The character sequence "****" marks the beginning of a new paragraph. In some cases, the steps outlined in a particular paragraph may or may not be applicable to your situation. Therefore, please make sure to read through all of the steps below before attempting any of these procedures. All of the commands that need to be executed are required to be run as the superuser (root). Each step relies on the steps before it to complete successfully. Note: The update packages for the SuSE Linux Enterprise Server 7 (SLES7) are being tested at the moment and will be published as soon as possible. **** Step 1: Determine the needed kernel type Please use the following command to find the kernel type that is installed on your system: rpm -qf /boot/vmlinuz Following are the possible kernel types (disregard the version and build number following the name separated by the "-" character) k_deflt # default kernel, good for most systems. k_i386 # kernel for older processors and chipsets k_athlon # kernel made specifically for AMD Athlon(tm) family processors k_psmp # kernel for Pentium-I dual processor systems k_smp # kernel for SMP systems (Pentium-II and above) k_smp4G # kernel for SMP systems which supports a maximum of 4G of RAM kernel-64k-pagesize kernel-bigsmp kernel-default kernel-smp **** Step 2: Download the package for your system Please download the kernel RPM package for your distribution with the name as indicated by Step 1. The list of all kernel rpm packages is appended below. Note: The kernel-source package does not contain a binary kernel in bootable form. Instead, it contains the sources that the binary kernel rpm packages are created from. It can be used by administrators who have decided to build their own kernel. Since the kernel-source.rpm is an installable (compiled) package that contains sources for the linux kernel, it is not the source RPM for the kernel RPM binary packages. The kernel RPM binary packages for the distributions can be found at the locations below ftp://ftp.suse.com/pub/suse/i386/update/. 8.0/images/ 8.1/rpm/i586 8.2/rpm/i586 9.0/rpm/i586 9.1/rpm/i586 After downloading the kernel RPM package for your system, you should verify the authenticity of the kernel rpm package using the methods as listed in section 3) of each SUSE Security Announcement. **** Step 3: Installing your kernel rpm package Install the rpm package that you have downloaded in Steps 3 or 4 with the command rpm -Uhv --nodeps --force <K_FILE.RPM> where <K_FILE.RPM> is the name of the rpm package that you downloaded. Warning: After performing this step, your system will likely not be able to boot if the following steps have not been fully followed. If you run SUSE LINUX 8.1 and haven't applied the kernel update (SUSE-SA:2003:034), AND you are using the freeswan package, you also need to update the freeswan rpm as a dependency as offered by YOU (YaST Online Update). The package can be downloaded from ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/ **** Step 4: configuring and creating the initrd The initrd is a ramdisk that is loaded into the memory of your system together with the kernel boot image by the bootloader. The kernel uses the content of this ramdisk to execute commands that must be run before the kernel can mount its actual root filesystem. It is usually used to initialize SCSI drivers or NIC drivers for diskless operation. The variable INITRD_MODULES in /etc/sysconfig/kernel determines which kernel modules will be loaded in the initrd before the kernel has mounted its actual root filesystem. The variable should contain your SCSI adapter (if any) or filesystem driver modules. With the installation of the new kernel, the initrd has to be re-packed with the update kernel modules. Please run the command mk_initrd as root to create a new init ramdisk (initrd) for your system. On SuSE Linux 8.1 and later, this is done automatically when the RPM is installed. **** Step 5: bootloader If you run a SUSE LINUX 8.x, SLES8, or SUSE LINUX 9.x system, there are two options: Depending on your software configuration, you have either the lilo bootloader or the grub bootloader installed and initialized on your system. The grub bootloader does not require any further actions to be performed after the new kernel images have been moved in place by the rpm Update command. If you have a lilo bootloader installed and initialized, then the lilo program must be run as root. Use the command grep LOADER_TYPE /etc/sysconfig/bootloader to find out which boot loader is configured. If it is lilo, then you must run the lilo command as root. If grub is listed, then your system does not require any bootloader initialization. Warning: An improperly installed bootloader may render your system unbootable. **** Step 6: reboot If all of the steps above have been successfully completed on your system, then the new kernel including the kernel modules and the initrd should be ready to boot. The system needs to be rebooted for the changes to become active. Please make sure that all steps have completed, then reboot using the command shutdown -r now or init 6 Your system should now shut down and reboot with the new kernel. 4) package location and checksums Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. x86 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-bigsmp-2.6.5-7.… 7c85b0457972f99ea4ac84a4c14aa11d ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-default-2.6.5-7… 7eba8c73098e79b3e4e003c233d63d1e ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-syms-2.6.5-7.10… 2f0c3582356994a238460a1ddd11364b ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-smp-2.6.5-7.104… b8c993646b760d585391b0bae6e7473e ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/kernel-source-2.6.5-7.… 634d50a5b5aa4b2866536e66b18befeb source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-bigsmp-2.6.5-7.1… 0289c1840b5d5da713feb85c2b8f2fef ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-default-2.6.5-7.… ab48b1fb238850d2576b7836b700f34c ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-syms-2.6.5-7.104… e882ffca04f84c9c2d4a9d8bb7fbd46f ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-smp-2.6.5-7.104.… b673c013e8d3e59c1cad61e68ac5b2db ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/kernel-source-2.6.5-7.1… db2833d74a093e81cecab6a878cceeb8 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_athlon-2.4.21-238.i5… 32afadf0bc5720c3b6908e8d1930cf5a ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_deflt-2.4.21-238.i58… 2f0b04a5a541dc7e968e34cb673212a0 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_um-2.4.21-238.i586.r… 0de617af99feef4eebcb6acd26e43ec2 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp4G-2.4.21-238.i58… 4a34622f783ef3cf83e48663a0608983 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/kernel-source-2.4.21-2… fabd2effa2e9cd91dac78f1fbee39542 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp-2.4.21-238.i586.… 1a33701036c2881de95b870fae0b42bb ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_deflt-2.4.21-238.i58… 2f0b04a5a541dc7e968e34cb673212a0 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_athlon-2.4.21-238.i5… 32afadf0bc5720c3b6908e8d1930cf5a source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_athlon-2.4.21-238.src… 432376a5c73031fd92e3b7a5400e74a1 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_deflt-2.4.21-238.src.… 480c2a0ae1a4ef8db0013b7486ba3204 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_um-2.4.21-238.src.rpm ca1ce8b2b232595dc64ec16894bbbd91 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp4G-2.4.21-238.src.… b8a177a4baeb45b356ba4ae3949bbd6b ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/kernel-source-2.4.21-23… 8dff6fb225cad06f4235b260c78297e6 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp-2.4.21-238.src.rpm 1ce273d733825abd2013424b85ceb1a5 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_deflt-2.4.21-238.src.… 480c2a0ae1a4ef8db0013b7486ba3204 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_athlon-2.4.21-238.src… 432376a5c73031fd92e3b7a5400e74a1 SUSE Linux 8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_athlon-2.4.20-118.i5… 58742cc74f8b1306497f7a4e854e0349 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_deflt-2.4.20-118.i58… cfa736f8d0331decc43c710ce3e251a9 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/kernel-source-2.4.20.S… a1a73c62e658f3fdceb581a1195d6cf0 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_smp-2.4.20-118.i586.… d33e298380bb61ef06596d1e42bd2211 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_psmp-2.4.20-118.i586… bfa8c23ef57a2219275ddbadf83f94df ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_deflt-2.4.20-118.i58… cfa736f8d0331decc43c710ce3e251a9 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_athlon-2.4.20-118.i5… 58742cc74f8b1306497f7a4e854e0349 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_athlon-2.4.20-118.src… 346198e849036593f1c7398624204b80 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_deflt-2.4.20-118.src.… 23e10cd0d53d4eaf4a903bce50c27edc ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/kernel-source-2.4.20.Su… 7996319a61e107e03be85aeff8401b2f ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_smp-2.4.20-118.src.rpm 8e1e2c7b114a2377e270110d143127fd ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_psmp-2.4.20-118.src.r… c05d264136ab3008d2c0202097af5a51 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_deflt-2.4.20-118.src.… 23e10cd0d53d4eaf4a903bce50c27edc ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_athlon-2.4.20-118.src… 346198e849036593f1c7398624204b80 SUSE Linux 8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_athlon-2.4.21-238.i5… c87fb98e0efc1875da70b87e053abd12 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_deflt-2.4.21-238.i58… e266534b5894394a80b704fc69039d85 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/kernel-source-2.4.21-2… 99d48777da013e06775ede24378301fc ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_smp-2.4.21-238.i586.… 40f9309e12736e355f0625a9bb1419a7 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_psmp-2.4.21-238.i586… 47143e6181adcc0b273b82168e6bd444 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_deflt-2.4.21-238.i58… e266534b5894394a80b704fc69039d85 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_athlon-2.4.21-238.i5… c87fb98e0efc1875da70b87e053abd12 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_athlon-2.4.21-238.src… e20c53d0fdb984f13b328694ade10891 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_deflt-2.4.21-238.src.… fa9cb58e89460b09834c4b27658e12d6 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/kernel-source-2.4.21-23… 9efc389dda80050045ca0177c1d878ae ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_smp-2.4.21-238.src.rpm 54f5e3706bb34d3cf4056aaca2be60b1 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_psmp-2.4.21-238.src.r… 1fb22ced69456c133518926bbb24e5ed ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_deflt-2.4.21-238.src.… fa9cb58e89460b09834c4b27658e12d6 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_athlon-2.4.21-238.src… e20c53d0fdb984f13b328694ade10891 SUSE Linux 8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_deflt-2.4.18-310.i386.… e08cff6d3391365f1afb099e20a3fe61 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_i386-2.4.18-310.i386.r… 77b7a525ca02d0310dacc6532111051b ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/kernel-source-2.4.18.SuSE-31… 4d4eba0c559f137b4be6ec8f9a528632 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_smp-2.4.18-310.i386.rpm e5c3e41729c02ac28ac9232b146aa4e4 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_psmp-2.4.18-310.i386.r… 8a2e5b5bbf1bde4533ae984b60f1ad82 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_deflt-2.4.18-310.i386.… e08cff6d3391365f1afb099e20a3fe61 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_deflt-2.4.18-310.src.rpm 09be0e0f30a27ad5af8b3480a091f6a1 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_i386-2.4.18-310.src.rpm 7c2a1722f899702ae3b9a08c42c8db4c ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/kernel-source-2.4.18.SuSE-3… b47d6b6b14f417902a038325072d63f1 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_smp-2.4.18-310.src.rpm 170b51b1b1d04b72d8d12439a5ade0f1 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_psmp-2.4.18-310.src.rpm 98d8e61a495663a6d6a70e27503826d4 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_deflt-2.4.18-310.src.rpm 09be0e0f30a27ad5af8b3480a091f6a1 x86-64 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/kernel-source-2.6.… db50c10aef8f142bf9183fe053dcac90 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/kernel-source-2.6.5-7… 91a4d3f953489314a2eaa7b738969232 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/k_deflt-2.4.21-238… 3229ea33080c16fec96627a927fd45de ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/kernel-source-2.4.… 951dc563493357551df1aca30093a85a ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/k_smp-2.4.21-238.x… 51952cafbba877ecafaa3e350168e924 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/k_deflt-2.4.21-238… 3229ea33080c16fec96627a927fd45de source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/k_deflt-2.4.21-238.sr… 72d16b1d90ae62bf00e711328582be43 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/kernel-source-2.4.21-… cb9543e58aa4eb4bcc8b9f8fff796959 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/k_smp-2.4.21-238.src.… e66e38362ad27dca08691c546df003f8 ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/k_deflt-2.4.21-238.sr… 72d16b1d90ae62bf00e711328582be43 ______________________________________________________________________________ 5) Pending vulnerabilities in SUSE Distributions and Workarounds: - gaim The SuSE Security Team discovers various remotely exploitable buffer overflows in the MSN-protocol parsing functions of gaim. The only affected product is SUSE LINUX 9.1. New packages will be available soon. (CAN-2004-0500) - mozilla/firebird We are currently testing new mozilla/firebirds packages that include several fixes for security-related bugs. New packages will be available soon. ______________________________________________________________________________ 6) standard appendix: authenticity verification, additional information - Package authenticity verification: SUSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SUSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de) the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SUSE in rpm packages for SUSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SUSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SUSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SUSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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1 0

SUSE Security Announcement: libpng (SUSE-SA:2004:023)
by Thomas Biege 04 Aug '04

04 Aug '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: libpng Announcement-ID: SUSE-SA:2004:023 Date: Wednesday, Aug 4th 2004 16:00 MEST Affected products: 8.0, 8.1, 8.2, 9.0, 9.1 SUSE Linux Database Server, SUSE eMail Server III, 3.1 SUSE Linux Enterprise Server 7, 8, 9 SUSE Linux Firewall on CD/Admin host SUSE Linux Connectivity Server SUSE Linux Office Server Vulnerability Type: remote system compromise Severity (1-10): 9 SUSE default package: yes Cross References: VU#388984 VU#236656 VU#160448 VU#477512 VU#817368 VU#286464 CAN-2004-0597 CAN-2004-0598 CAN-2004-0599 Content of this advisory: 1) security vulnerability resolved: - stack based buffer overflows - NULL pointer dereference - integer overflows problem description 2) solution/workaround 3) special instructions and notes 4) package location and checksums 5) pending vulnerabilities, solutions, workarounds: - mod_ssl - lha - gfxboot - liby2util - pure-ftpd - neon - pavuk - sox - gaim - kernel 6) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion Several different security vulnerabilities were found in the PNG library which is used by applications to support the PNG image format. A remote attacker is able to execute arbitrary code by triggering a buffer overflow due to the incorrect handling of the length of transparency chunk data and in other pathes of image processing. (VU#388984, VU#817368, CAN-2004-0597) A special PNG image can be used to cause an application crashing due to NULL pointer dereference in the function png_handle_iCPP() (and other locations). (VU#236656, CAN-2004-0598) Integer overflows were found in png_handle_sPLT(), png_read_png() functions and other locations. These bugs may at least crash an application. (VU#160448, VU#477512, VU#286464, CAN-2004-0599) Many thanks to Chris Evans who reported issues to us and other vendors. 3) special instructions and notes Various applications use libpng either dynamically linked, statically linked, or by linking a copy of libpng included in the application's source distribution. In the first case you have to restart the affected application. In the other cases we will release updates for these packages if the vulnerable libpng code is called with input from an untrusted source. 4) package location and checksums Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, install the package using the command "rpm -Fhv file.rpm" to apply the update. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. x86 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/libpng-1.2.5-182.7.i58… 0e89a04a0a50a49f756795bbd319e1dd patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/libpng-1.2.5-182.7.i58… dc7270f4c0c728c3ba7252d0a551e437 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/libpng-1.2.5-182.7.src.… bb8d8000a010d92747dda1b0908d41aa SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/libpng-1.2.5-191.i586.… 5b34c70a715cd34bb0e5879063dcf63b patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/libpng-1.2.5-191.i586.… 6c192934eae546bc1f2c9b7980c848f0 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/libpng-1.2.5-191.src.rpm c740a8c8c6188470512c91ec8e9e70a9 SUSE Linux 8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/libpng-1.2.5-191.i586.… 64d76d67104123317c4a66a0721072e8 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/libpng-1.2.5-191.i586.… 372b2eae57ff3ff90ad1250e8a2d3a91 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/libpng-1.2.5-191.src.rpm 16dde1bf26f8c9c006ccad4779d138d7 SUSE Linux 8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/libpng-1.2.4-115.i586.… 88dc17c0edccfcd65fea3539379de370 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/libpng-1.2.4-115.i586.… 24d8632e5454e46ce4623c5a672a3d5d source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/libpng-1.2.4-115.src.rpm e3086525ee914ddc5dc0c7da7ab96a25 SUSE Linux 8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/gra1/libpng-2.1.0.12-169.i386.r… 09b22a2fab61b1018ce73e2965777123 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/gra1/libpng-2.1.0.12-169.i386.p… 097de7e1c11106390128b6996041fe3c source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/libpng-2.1.0.12-169.src.rpm 9e1da14f139fc4dcf481cdf836397da7 x86-64 Platform: SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/libpng-1.2.5-182.7… c6c0f425059cf94803952530f0e9ba02 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/libpng-1.2.5-182.7… 01814d5c445560c6bcca0f1d9221e5be source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/libpng-1.2.5-182.7.sr… 27c4236b2ca11a760b3028c5058db7cf SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/libpng-1.2.5-191.x… 5e8c7dcfe20c386150c4129bb549569f patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/libpng-1.2.5-191.x… 4fc9a5a29f5c813b32b9dee230250b17 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/libpng-1.2.5-191.src.… 526c0048344f1aa467903b1a8bce3506 ______________________________________________________________________________ 5) Pending vulnerabilities in SUSE Distributions and Workarounds: - mod_ssl A remotely exploitable format string bug has been found in the logging function of mod_ssl. New packages are available at our FTP servers. - lha A source code review of lha was conducted by the SuSE Security-Team to fix all possible buffer overflows. New packages are available at our FTP servers. - gfxboot/bootsplash-theme-SuSE/bootsplash-theme-SuSE-Home A bug in gfxboot on SUSE LINUX 9.1 caused the lilo boot password to be shown in cleartext while typing. The standard boot loader is grub. New packages are available at our FTP servers. - liby2util File names of patch files are no longer passed to gpg via the system() call. Since those file names are not protected by a digital signature, an attacker could previously manage to implant shell code. New packages are available at our FTP servers. - pure-ftpd This update fixes a possible DoS attack because of a bug in the accept_client function handling the setup of new connections. New packages are available at our FTP servers. - neon This update adds a missing filter for control characters. New packages are available at our FTP servers. - pavuk This update fixes several buffer overflows in pavuk's digest authentication support. Thanks to Matthew Murphy for reporting this issue to us. New packages are available at our FTP servers. - sox Several buffer overflows in the 'sox' and 'play' have been fixed that can be exploited by playing specially crafted .wav files. (CAN-2004-0557) New packages are available at our FTP servers. - gaim The SuSE Security Team discovers various remotely exploitable buffer overflows in the MSN-protocol parsing functions of gaim. The only affected product is SUSE LINUX 9.1. New packages will be available soon. (CAN-2004-0500) - kernel Paul Starzetz from iSEC informed us about a race condition in the 64bit file offset handling code of the kernel. New kernels for SUSE LINUX Enterprise Server 9 are available from the maintenance-web. The updates for the SUSE LINUX 9.1 kernels are available from our FTP servers. Kernel update packages for older SUSE LINUX distributions will be available in the next few days and will be announced with a dedicated advisory. ______________________________________________________________________________ 6) standard appendix: authenticity verification, additional information - Package authenticity verification: SUSE update packages are available on many mirror ftp servers all over the world. While this service is being considered valuable and important to the free and open source software community, many users wish to be sure about the origin of the package and its content before installing the package. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or rpm package: 1) md5sums as provided in the (cryptographically signed) announcement. 2) using the internal gpg signatures of the rpm package. 1) execute the command md5sum <name-of-the-file.rpm> after you downloaded the file from a SUSE ftp server or its mirrors. Then, compare the resulting md5sum with the one that is listed in the announcement. Since the announcement containing the checksums is cryptographically signed (usually using the key security(a)suse.de) the checksums show proof of the authenticity of the package. We disrecommend to subscribe to security lists which cause the email message containing the announcement to be modified so that the signature does not match after transport through the mailing list software. Downsides: You must be able to verify the authenticity of the announcement in the first place. If RPM packages are being rebuilt and a new version of a package is published on the ftp server, all md5 sums for the files are useless. 2) rpm package signatures provide an easy way to verify the authenticity of an rpm package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, where <file.rpm> is the filename of the rpm package that you have downloaded. Of course, package authenticity verification can only target an un-installed rpm package file. Prerequisites: a) gpg is installed b) The package is signed using a certain key. The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root). You can import the key that is used by SUSE in rpm packages for SUSE Linux by saving this announcement to a file ("announcement.txt") and running the command (do "su -" to be root): gpg --batch; gpg < announcement.txt | gpg --import SUSE Linux distributions version 7.1 and thereafter install the key "build(a)suse.de" upon installation or upgrade, provided that the package gpg is installed. The file containing the public key is placed at the top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de . - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security(a)suse.com - general/linux/SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an email to <suse-security-subscribe(a)suse.com>. suse-security-announce(a)suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an email to <suse-security-announce-subscribe(a)suse.com>. For general information or the frequently asked questions (faq) send mail to: <suse-security-info(a)suse.com> or <suse-security-faq(a)suse.com> respectively. ===================================================================== SUSE's security contact is <security(a)suse.com> or <security(a)suse.de>. The <security(a)suse.de> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, it is desired that the clear-text signature shows proof of the authenticity of the text. SUSE Linux AG makes no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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