openSUSE Security Announce April 2004

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SUSE Security Announcement: cvs (SuSE-SA:2004:008)
by Sebastian Krahmer 14 Apr '04

14 Apr '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: cvs Announcement-ID: SuSE-SA:2004:008 Date: Wed Apr 14 16:00:00 MEST 2004 Affected products: 8.0, 8.1, 8.2, 9.0 SuSE Firewall on CD 2 SuSE Linux Enterprise Server 7, 8 SLES 8 for IBM iSeries and IBM pSeries SuSE Linux Office Server UnitedLinux 1.0 Vulnerability Type: remote code execution Severity (1-10): 5 SUSE default package: No Cross References: Content of this advisory: 1) security vulnerability resolved: arbitrary file creation in cvs problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - neon - tcpdump - openssh - kdeprint/kdelibs3 - MPlayer - mailman - systat - apache2 - emil 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information The Concurrent Versions System (CVS) offers tools which allow developers to share and maintain large software projects. During the analyzation of the CVS protocol and their implementation, the SuSE Security Team discovered a flaw within the handling of pathnames. Evil CVS servers could specify absolute pathnames during checkouts and updates, which allows to create arbitrary files with the permissions of the user invoking the CVS client. This could lead to a compromise of the system. 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. Intel i386 Platform: SuSE-9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-79.i586.rpm 392353d02948dee01fa98832841699be patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-79.i586.pat… fd287ccde902d5a93ce54c141f4f888d source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/cvs-1.11.6-79.src.rpm f094e09f54e176747f7441d44c20e12c SuSE-8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-103.i586.rpm a690613adaf637365f8b99a91373f5cf patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-103.i586.pa… 844400ec62905d78b9e196c311f49207 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/cvs-1.11.5-103.src.rpm 202d2afd939caff003fbe73f65977ee6 SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-326.i586.… 90401ed5771c3570310c23efcd503bee patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-326.i586.… 42335546a7937ccc0fc6173ba1697ed9 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/cvs-1.11.1p1-326.src.rpm ca6cb008ba8004635f9892552ed3e569 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-326.i386.rpm b24bca587706433d0cfa81ae96822e81 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-326.i386.patch.… b5df706c6862ade002714607ba6027f6 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/cvs-1.11.1p1-326.src.rpm 26b4e34fb562fdccf33f35bfde16a403 Opteron x86_64 Platform: SuSE-9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-78.x86_… dae12f94ea7eb35ed9b5172a8288d032 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-78.x86_… 07ca7acf86abd38e617a60e28dedfb0c source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/cvs-1.11.6-78.src.rpm 02d1e7f89a0f5372dc8a702032f4f4c2 ______________________________________________________________________________ 2) Pending vulnerabilities in SUSE Distributions and Workarounds: - neon The neon package contained various format string vulnerabilities which have been fixed. New packages are available on our FTP servers. Maintained products do not contain the neon package and are therefore not affected. (CAN-2004-0179) - tcpdump The tcpdump program contains a remotely exploitable denial of service condition in its ISAKMP packet handling. New tcpdump packages are currently being tested and will soon be available on our FTP servers. - openssh The scp program which is part of the openssh package allowed evil servers to trick clients into creating arbitrary files with permissions of the user invoking scp. New packages are available on our FTP servers. - kdeprint/kdelibs3 The kdeprint system called the ghostscript program without the -dSAFER option. This has been fixed. New packages are available on our FTP servers. The package is named "kdelibs3". Maintained products are not affected. - MPlayer The mplayer program contained a buffer overflow while escaping large URLs. This has been fixed. New MPlayer packages are currently being tested and will be available soon on our FTP servers. - mailman The mailing list manager mailman can be tricked to deny service by remote attackers. (CAN-2003-0991) New packages are available on our FTP servers. - sysstat This update close two cases of insecure temporary file handling in the isag code. New packages are available on our FTP servers. - apache2 This update fixes a memory leak in the mod_ssl module of apache2 (CAN-2004-0113), a possible remote DoS attack on accessing rarely used listening ports (CAN-2004-0174), and a problem with unescaped special characters in log files that could present a security hazard for terminal emulators (CAN-2003-0020). New packages are available on our FTP servers. - emil The emil mail filter conatins buffer overflows and format-string bugs that can be exploited remotely if emil is used in conjunction with procmail, sendmail and alike. (CAN-2004-0152, CAN-2004-0153) New packages are available on our FTP servers. ______________________________________________________________________________ 3) 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 v1.0.7 (GNU/Linux) iQEVAwUBQH1dEHey5gA9JdPZAQFt1Af9G1LkLrTC/LAyaTE9qn6XS2gD5HXmN3Tc hWFlO9i9ZsVyn/9GJJsnFq1Grd9s3ka9SPrYKSadi4UxOKDGTp0y4on+rOQZKZo8 7aOs84BG+EMVLBgQ288i5VsngazvT2xcc1AhnAE7oph26QlAevv6j1jEqBITPWou Fmy49I2z/yif9ZDAyw6qzm5khvaSjw5uk922VohjNBec3nLLs+ev+sb8pwPvdN2A jlu7Vo2nclCmSMGM4N4+LWr/0HMUdkoajyuscdZ9+igz50XXjswS6U89LKVmrS59 5IMEJa7h14x+D9rU8dEJKm6qCPB2Dig3N9dfzV8d+0pLmEOQHgEOJA== =I/9T -----END PGP SIGNATURE----- -- ~ ~ perl self.pl ~ $_='print"\$_=\47$_\47;eval"';eval ~ krahmer(a)suse.de - SuSE Security Team ~

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SUSE Security Announcement: Linux Kernel (SuSE-SA:2004:009)
by Thomas Biege 14 Apr '04

14 Apr '04

resent due to old md5 sum for 8.0 packages. -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: Linux Kernel Announcement-ID: SuSE-SA:2004:009 Date: Wednesday, Apr. 14th 2004 17:30 MEST Affected products: 8.0, 8.1, 8.2, 9.0 SuSE Linux Database Server, SuSE eMail Server III, 3.1 SuSE Linux Enterprise Server 7, 8 SuSE Linux Firewall on CD/Admin host SuSE Linux Connectivity Server SuSE Linux Office Server Vulnerability Type: - local privilege escalation - information leakage Severity (1-10): 6 SUSE default package: yes Cross References: CAN-2004-0109 CAN-2004-0181 Content of this advisory: 1) security vulnerability resolved: - buffer overflow in ISO9660 code - information leakage in JFS problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - mailman - sysstat - neon - openssh - kdeprint/kdelibs3 - MPlayer - sysstat - apache2 - emil - metamail - tcpdump 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information iDEFENSE Inc. informed us about a buffer overflow in the linux 2.4 kernel code which handles ISO9660 filesystems. The original code is not able to handle very long symlink names. The vulnerability can be triggered locally by mounting removable media that contains a malformed filesystem or by using the loopback device. Exploiting this buffer overflow results in kernel-level access to the system. Another vulnerability allows the retrieval of private informations from JFS filesystems due to the lack of cleaning up (writing zeros) used sectors on the harddrive. This bug needs root privilges to be exploited. 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, you decide if the paragraph is needed for you or not. Please read through all of the steps down to the end. 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 to complete successfully. **** 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 The following options are possible (disregarding 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 **** Step 2: Download the package for your system Please download the kernel RPM package for your distribution with the name starting as indicated by Step 1. The list of all kernel rpm packages is appended below. Note: The kernel-source package does not contain any binary kernel in bootable form. Instead, it contains the sources that the binary kernel rpm packages are made 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 these 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 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 applied. If you run SUSE LINUX 8.1 and haven't applied the previous kernel update (SUSE-SA:2003:034), AND use 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 being 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 or a SLES8 system, there are two options: Depending on your software configuration, you have 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 applied to 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 are complete, then reboot using the command shutdown -r now or init 6 Your system should now shut down and reboot with the new kernel. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. There is no workaround known. Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, to apply the update use the command "rpm -Fhv file.rpm". Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. Intel i386 Platform: SuSE-9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_deflt-2.4.21-202.i58… 9eb2cfb25bbec6d87cbb096b7e047afa ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp-2.4.21-202.i586.… 1fb6944e1d9df9baaeb00fdbc7d1f483 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_athlon-2.4.21-202.i5… 3485291d9dc0ea7d7cd359247236c4f0 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp4G-2.4.21-202.i58… f89520900a7be24b87b9487245c70a85 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_um-2.4.21-202.i586.r… 138512d7f0ce123e0da0ea412aded6e2 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/kernel-source-2.4.21-2… 51d18645eae388188075ec393f66d55d source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_deflt-2.4.21-202.src.… 4cd8c8e09391a819d403e955135694cb ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp-2.4.21-202.src.rpm 60719838aafddc382896971ddcba3951 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_athlon-2.4.21-202.src… 2f95af40a5e8943f1922463dfe9cd8bc ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp4G-2.4.21-202.src.… c9f289c9a18566a860be04ce35f588fd ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_um-2.4.21-202.src.rpm e41c645a10081966ae22f5b878b26164 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/kernel-source-2.4.21-20… df58324cdf08d14c6c076cdffe22a6eb SuSE-8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_deflt-2.4.20-109.i58… a72fd8b8fc88ba949fc8128b58865841 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_psmp-2.4.20-109.i586… 539e1d0ffe6f1bdbd531f77d694c5ed3 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_smp-2.4.20-109.i586.… 2219645402c84afa1fbf368ea5d7bbe4 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_athlon-2.4.20-109.i5… 2297404f69f37ec4a71ece8c413f8717 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/kernel-source-2.4.20.S… f50fb6a7258b759c46053cfd0363daa2 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_deflt-2.4.20-109.src.… cbe6094bc357aff1f47ee741df00a892 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_psmp-2.4.20-109.src.r… fb18284adcff119815079dfffdfa329f ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_smp-2.4.20-109.src.rpm 4d42f62f992512b9ab552554de932749 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_athlon-2.4.20-109.src… 038a050ff97b89a1dca4fd3ec1c7bee3 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/kernel-source-2.4.20.Su… ef451f52ac0300bb0d35c7330c49e463 SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_deflt-2.4.21-203.i58… 0669fd902f68e9b788d2db1cc8eac71a ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_psmp-2.4.21-201.i586… 8b632b9f67aa0cca636db914fff19591 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_smp-2.4.21-201.i586.… 8c706d3f986704079cd2b2a983749c37 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_athlon-2.4.21-201.i5… 86577aa5702064bc9a1c05091ca667d9 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/kernel-source-2.4.21-2… ef72aafd7907a68c33efe1749d5a9569 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_deflt-2.4.21-203.src.… 370aca128ed0eef8b1b30c93722036d3 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_psmp-2.4.21-201.src.r… dc70deeb29422089dc0a8d889dff5cd3 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_smp-2.4.21-201.src.rpm 96f5ef89ba344752e749f6a754cbf28e ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_athlon-2.4.21-201.src… 695b18275d0b8c9fb09080f627d1189a ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/kernel-source-2.4.21-20… b0206bf81deba319c005a9900236d662 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_i386-2.4.18-290.i386.r… 2de7392fdb7973930ca17d3dfaf02fe7 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_deflt-2.4.18-290.i386.… bc58825f2940bff4d2a4b5033a800e6c ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_psmp-2.4.18-290.i386.r… 708125c23f0b824221b7c6c5de48e4e5 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_smp-2.4.18-290.i386.rpm 540e28cc8dc362454d7c401b47e71ef0 ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/kernel-source-2.4.18.SuSE-29… 3709941cc77804faf680ef91ccc6b452 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_i386-2.4.18-290.src.rpm 261eada677e224952a339bdba5bdd13f ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_deflt-2.4.18-290.src.rpm cf9e1a464d9f8e9a38380db2f93db307 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_psmp-2.4.18-290.src.rpm 1c1056ab74aa943bd8b588c823151e2d ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_smp-2.4.18-290.src.rpm 184848c61fe1d97a689e50e25084a324 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/kernel-source-2.4.18.SuSE-2… 2e4320bedc776f416edaa96095959209 ______________________________________________________________________________ 2) Pending vulnerabilities in SUSE Distributions and Workarounds: - mailman A remote denial-of-service attack can be triggered in mailman 2.0.x (CAN-2003-0991). New packages are available on our FTP servers. - sysstat Two cases of insecure temporary file handling were found. New packages are available on our FTP servers. - neon The neon package contained various format string vulnerabilities which have been fixed. New packages are available on our FTP servers. Maintained products do not contain the neon package and are therefore not affected. (CAN-2004-0179) - openssh The scp program which is part of the openssh package allowed evil servers to trick clients into creating arbitrary files with permissions of the user invoking scp. New packages are available on our FTP servers. - kdeprint/kdelibs3 The kdeprint system called the ghostscript program without the -dSAFER option. This has been fixed. New packages are available on our FTP servers. The package is named "kdelibs3". Maintained products are not affected. - MPlayer The mplayer program contained a buffer overflow while escaping large URLs. This has been fixed. New MPlayer packages are currently being tested and will be available soon on our FTP servers. - sysstat This update close two cases of insecure temporary file handling in the isag code. New packages are available on our FTP servers. - apache2 This update fixes a memory leak in the mod_ssl module of apache2 (CAN-2004-0113), a possible remote DoS attack on accessing rarely used listening ports (CAN-2004-0174), and a problem with unescaped special characters in log files that could present a security hazard for terminal emulators (CAN-2003-0020). New packages are available on our FTP servers. - emil The emil mail filter contains buffer overflows and format-string bugs that can be exploited remotely if emil is used in conjunction with procmail, sendmail and alike. (CAN-2004-0152, CAN-2004-0153) New packages are available on our FTP servers - metamail This update fixes two buffer overflows and two format string bugs that can be exploited remotely in conjunction with other tools to gain access to a system with the privileges of the user running New packages will be available soon. - tcpdump The tcpdump program contains a remotely exploitable denial of service condition in its ISAKMP packet handling. New tcpdump packages are currently being tested and will soon be available on our FTP servers. ______________________________________________________________________________ 3) 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: Linux Kernel (SuSE-SA:2004:009)
by Thomas Biege 14 Apr '04

14 Apr '04

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: Linux Kernel Announcement-ID: SuSE-SA:2004:009 Date: Wednesday, Apr. 14th 2004 16:00 MEST Affected products: 8.0, 8.1, 8.2, 9.0 SuSE Linux Database Server, SuSE eMail Server III, 3.1 SuSE Linux Enterprise Server 7, 8 SuSE Linux Firewall on CD/Admin host SuSE Linux Connectivity Server SuSE Linux Office Server Vulnerability Type: - local privilege escalation - information leakage Severity (1-10): 6 SUSE default package: yes Cross References: CAN-2004-0109 CAN-2004-0181 Content of this advisory: 1) security vulnerability resolved: - buffer overflow in ISO9660 code - information leakage in JFS problem description, discussion, solution and upgrade information 2) pending vulnerabilities, solutions, workarounds: - mailman - sysstat - neon - openssh - kdeprint/kdelibs3 - MPlayer - sysstat - apache2 - emil - metamail - tcpdump 3) standard appendix (further information) ______________________________________________________________________________ 1) problem description, brief discussion, solution, upgrade information iDEFENSE Inc. informed us about a buffer overflow in the linux 2.4 kernel code which handles ISO9660 filesystems. The original code is not able to handle very long symlink names. The vulnerability can be triggered locally by mounting removable media that contains a malformed filesystem or by using the loopback device. Exploiting this buffer overflow results in kernel-level access to the system. Another vulnerability allows the retrieval of private informations from JFS filesystems due to the lack of cleaning up (writing zeros) used sectors on the harddrive. This bug needs root privilges to be exploited. 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, you decide if the paragraph is needed for you or not. Please read through all of the steps down to the end. 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 to complete successfully. **** 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 The following options are possible (disregarding 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 **** Step 2: Download the package for your system Please download the kernel RPM package for your distribution with the name starting as indicated by Step 1. The list of all kernel rpm packages is appended below. Note: The kernel-source package does not contain any binary kernel in bootable form. Instead, it contains the sources that the binary kernel rpm packages are made 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 these 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 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 applied. If you run SUSE LINUX 8.1 and haven't applied the previous kernel update (SUSE-SA:2003:034), AND use 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 being 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 or a SLES8 system, there are two options: Depending on your software configuration, you have 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 applied to 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 are complete, then reboot using the command shutdown -r now or init 6 Your system should now shut down and reboot with the new kernel. Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. There is no workaround known. Please download the update package for your distribution and verify its integrity by the methods listed in section 3) of this announcement. Then, to apply the update use the command "rpm -Fhv file.rpm". Our maintenance customers are being notified individually. The packages are being offered to install from the maintenance web. Intel i386 Platform: SuSE-9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_deflt-2.4.21-199.i58… 608a5ce3f2230c86d30ae013b3f8a32d ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp-2.4.21-199.i586.… ca9c27604de14553e912ac471747c701 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_athlon-2.4.21-199.i5… 7ac3f2c2deb839eada90be5570e73dc6 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_smp4G-2.4.21-199.i58… 05d9fd2f3fb1b7c6049302fd129263c8 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/k_um-2.4.21-199.i586.r… e97ffb58cbde1b413dffc3b143636016 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/kernel-source-2.4.21-1… 3696ba3d0a91b09672923e872aab0650 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_deflt-2.4.21-199.src.… c9d33e935ca206edaf1b47ff5767b79f ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp-2.4.21-199.src.rpm d478e90203e9f0115adf759ec1c71f68 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_athlon-2.4.21-199.src… fc82d24cd30256b59d62229a167b69c7 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_smp4G-2.4.21-199.src.… 50096715a9252a8152fb1e2dfd953c20 ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/k_um-2.4.21-199.src.rpm fd8fb7c99d1d2e02fb0863307318988b ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/kernel-source-2.4.21-19… df571a090e6231f52690bbb3abec831a SuSE-8.2: ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_deflt-2.4.20-109.i58… a72fd8b8fc88ba949fc8128b58865841 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_psmp-2.4.20-109.i586… 539e1d0ffe6f1bdbd531f77d694c5ed3 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_smp-2.4.20-109.i586.… 2219645402c84afa1fbf368ea5d7bbe4 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/k_athlon-2.4.20-109.i5… 2297404f69f37ec4a71ece8c413f8717 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/kernel-source-2.4.20.S… f50fb6a7258b759c46053cfd0363daa2 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_deflt-2.4.20-109.src.… cbe6094bc357aff1f47ee741df00a892 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_psmp-2.4.20-109.src.r… fb18284adcff119815079dfffdfa329f ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_smp-2.4.20-109.src.rpm 4d42f62f992512b9ab552554de932749 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/k_athlon-2.4.20-109.src… 038a050ff97b89a1dca4fd3ec1c7bee3 ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/kernel-source-2.4.20.Su… ef451f52ac0300bb0d35c7330c49e463 SuSE-8.1: ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_deflt-2.4.21-203.i58… 0669fd902f68e9b788d2db1cc8eac71a ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_psmp-2.4.21-201.i586… 8b632b9f67aa0cca636db914fff19591 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_smp-2.4.21-201.i586.… 8c706d3f986704079cd2b2a983749c37 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/k_athlon-2.4.21-201.i5… 86577aa5702064bc9a1c05091ca667d9 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/kernel-source-2.4.21-2… ef72aafd7907a68c33efe1749d5a9569 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_deflt-2.4.21-203.src.… 370aca128ed0eef8b1b30c93722036d3 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_psmp-2.4.21-201.src.r… dc70deeb29422089dc0a8d889dff5cd3 ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_smp-2.4.21-201.src.rpm 96f5ef89ba344752e749f6a754cbf28e ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/k_athlon-2.4.21-201.src… 695b18275d0b8c9fb09080f627d1189a ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/kernel-source-2.4.21-20… b0206bf81deba319c005a9900236d662 SuSE-8.0: ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_i386-2.4.18-289.i386.r… 864463b86631708731acdd2771ec1f0e ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_deflt-2.4.18-289.i386.… 19c5afb292a3f815bdaca6b337356bc7 ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_psmp-2.4.18-289.i386.r… f8f4f54ac44f07715a77a1df974c979a ftp://ftp.suse.com/pub/suse/i386/update/8.0/images/k_smp-2.4.18-289.i386.rpm 1457a1ac99242cbe38ee7903574c560e ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/kernel-source-2.4.18.SuSE-28… fc419eb54143782a12766461bd2db2aa source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_i386-2.4.18-289.src.rpm 60fc6a33012de055ac0c9fdf8b7bb024 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_deflt-2.4.18-289.src.rpm 54e92c17d2a685748009a0134aaf176a ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_psmp-2.4.18-289.src.rpm 8e9ad41e661f8c3599a60c4eadc7d115 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/k_smp-2.4.18-289.src.rpm 67e2ec1b1ff7d7e4322b35d18ab12d30 ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/kernel-source-2.4.18.SuSE-2… f242284a4d5a3c19a7c2184af51a64a9 ______________________________________________________________________________ 2) Pending vulnerabilities in SUSE Distributions and Workarounds: - mailman A remote denial-of-service attack can be triggered in mailman 2.0.x (CAN-2003-0991). New packages are available on our FTP servers. - sysstat Two cases of insecure temporary file handling were found. New packages are available on our FTP servers. - neon The neon package contained various format string vulnerabilities which have been fixed. New packages are available on our FTP servers. Maintained products do not contain the neon package and are therefore not affected. (CAN-2004-0179) - openssh The scp program which is part of the openssh package allowed evil servers to trick clients into creating arbitrary files with permissions of the user invoking scp. New packages are available on our FTP servers. - kdeprint/kdelibs3 The kdeprint system called the ghostscript program without the -dSAFER option. This has been fixed. New packages are available on our FTP servers. The package is named "kdelibs3". Maintained products are not affected. - MPlayer The mplayer program contained a buffer overflow while escaping large URLs. This has been fixed. New MPlayer packages are currently being tested and will be available soon on our FTP servers. - sysstat This update close two cases of insecure temporary file handling in the isag code. New packages are available on our FTP servers. - apache2 This update fixes a memory leak in the mod_ssl module of apache2 (CAN-2004-0113), a possible remote DoS attack on accessing rarely used listening ports (CAN-2004-0174), and a problem with unescaped special characters in log files that could present a security hazard for terminal emulators (CAN-2003-0020). New packages are available on our FTP servers. - emil The emil mail filter contains buffer overflows and format-string bugs that can be exploited remotely if emil is used in conjunction with procmail, sendmail and alike. (CAN-2004-0152, CAN-2004-0153) New packages are available on our FTP servers - metamail This update fixes two buffer overflows and two format string bugs that can be exploited remotely in conjunction with other tools to gain access to a system with the privileges of the user running New packages will be available soon. - tcpdump The tcpdump program contains a remotely exploitable denial of service condition in its ISAKMP packet handling. New tcpdump packages are currently being tested and will soon be available on our FTP servers. ______________________________________________________________________________ 3) 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 v1.0.7 (GNU/Linux) iQEVAwUBQH1RMney5gA9JdPZAQEPCQf/UNag75JeyDeOFz+DO961ruEYa1ou9/im ympZsgdA+Lzb2cHzGlAJw1TNEOWKLIlTTFXA+QdRH29ThSOX4tPtSsrsjTA5/O0r 00JQiV3tcT8RGuYTgCMf9oqlpB/t3Bu4c4uTNj+iMATHEEror7ffTIckNYNrLCIU 1ni8xAELjxtNm/t0ZHiCAOmnmUXEn6tzEn7+Yc17GUkVaImCsMFq1pW9KGJkdpyK fqnT5K4siwSYY2sX1e14WPSLaUgu6znSgRMyDjCOEVMVqLwqVOa2EhASTUU7GIHR oyYZkgPE0FiUgysamJOtTfqzZxKHI4ukem3hcjfI02T+e8GlHGHIMQ== =74Hh -----END PGP SIGNATURE-----

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openSUSE Security Announce April 2004