-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: XFree86-server,xorg-x11-server Announcement ID: SUSE-SA:2005:056 Date: Mon, 26 Sep 2005 14:00:00 +0000 Affected Products: SUSE LINUX 9.0, 9.1, 9.2, 9.3 SUSE Linux Desktop 1.0 SUSE Linux Enterprise Server 8, 9 Novell Linux Desktop 9 Vulnerability Type: remote command execution Severity (1-10): 9 SUSE Default Package: yes Cross-References: CAN-2005-2495 Content of This Advisory: 1) Security Vulnerability Resolved: pixmap integer overflow Problem Description 2) Solution or Work-Around 3) Special Instructions and Notes 4) Package Location and Checksums 5) Pending Vulnerabilities, Solutions, and Work-Arounds: none 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion The X server memory can be accessed my a malicious X client by exploiting a missing range check in the function XCreatePixmap(). This bug can probably be used to execute arbitrary code with the privileges of the X server (root). 2) Solution or Work-Around There is no work-around known. 3) Special Instructions and Notes Please restart your X system completely. (Logout of your Windowmanager, run "init3;init 5" as root on a console.) 4) Package Location and Checksums The preferred method for installing security updates is to use the YaST Online Update (YOU) tool. YOU detects which updates are required and automatically performs the necessary steps to verify and install them. Alternatively, download the update packages for your distribution manually and verify their integrity by the methods listed in Section 6 of this announcement. Then install the packages using the command rpm -Fhv <file.rpm> to apply the update, replacing <file.rpm> with the filename of the downloaded RPM package. x86 Platform: SUSE Linux 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/xorg-x11-server-6.8.2-30.4.i586.rpm dc41dbe04424ef869811323b76c567ef patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/xorg-x11-server-6.8.2-30.4.i586.patch.rpm cb854e1f0042916a731e2fce9028fcc5 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/xorg-x11-6.8.2-30.4.src.rpm ca3baf4c2d1df7bfcb0af630bbef1a6d SUSE Linux 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/xorg-x11-server-6.8.1-15.9.i586.rpm a08df5563bc23ce0a304a488657f1d53 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/xorg-x11-server-6.8.1-15.9.i586.patch.rpm 9739cdfa5157b5aa9ba5f0a21129edfd source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/xorg-x11-6.8.1-15.9.src.rpm de447aaeae832d524d1b292e83a9e6aa SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/XFree86-server-4.3.99.902-43.50.3.i586.rpm c101e4dfb938ab0b6afb4e480971cb98 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/XFree86-server-4.3.99.902-43.50.3.i586.patch.rpm 9117e86e254c3a6ebf73395307382179 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/XFree86-4.3.99.902-43.50.3.src.rpm ec3f9bfed9da411ddbc55f8f3bc48729 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/XFree86-server-4.3.0.1-60.i586.rpm d85636745eefd2fe67d4ef0d7491bd44 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/XFree86-server-4.3.0.1-60.i586.patch.rpm a205fbaef7d98c3ce599f71f8dd51864 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/XFree86-4.3.0.1-60.src.rpm 3c5c345435ff6310ce8479497a6a80af x86-64 Platform: SUSE Linux 9.3: ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/xorg-x11-server-6.8.2-30.4.x86_64.rpm 15895f47f57e2507e8d5ae4e854c3e3a patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/xorg-x11-server-6.8.2-30.4.x86_64.patch.rpm 6e58d518d719d901fe4b41ba1a2bd8fa source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/src/xorg-x11-6.8.2-30.4.src.rpm ca3baf4c2d1df7bfcb0af630bbef1a6d SUSE Linux 9.2: ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/xorg-x11-server-6.8.1-15.9.x86_64.rpm f6c86f558fd5ae340f98eb85cbcb5d8d patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/xorg-x11-server-6.8.1-15.9.x86_64.patch.rpm 2393163cd16ec2db996f927121f5b6a7 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/src/xorg-x11-6.8.1-15.9.src.rpm de447aaeae832d524d1b292e83a9e6aa SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/XFree86-server-4.3.99.902-43.50.3.x86_64.rpm 9b8f7d8ef0992b6664071f8416243c25 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/XFree86-server-4.3.99.902-43.50.3.x86_64.patch.rpm 918bad600f482fd524da5efc8f7aeb7a source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/XFree86-4.3.99.902-43.50.3.src.rpm 0cd5570ed44f6dcf2dcfaf28dd1d29f5 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/XFree86-server-4.3.0.1-60.x86_64.rpm fbb16e807e443d1176e346f500abe14f patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/XFree86-server-4.3.0.1-60.x86_64.patch.rpm 69c56321cba9860b092183f78bdf9d85 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/XFree86-4.3.0.1-60.src.rpm 0e6a2a4f3a79421c9ab7042f3500e109 Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/6b16ab65d43c461f... http://portal.suse.com/psdb/6b16ab65d43c461fec64068bc1210288.html http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/3d6df3814d44ff22... http://portal.suse.com/psdb/3d6df3814d44ff22980e1553b6d66fab.html ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Work-Arounds: none ______________________________________________________________________________ 6) Authenticity Verification and Additional Information - Announcement authenticity verification: SUSE security announcements are published via mailing lists and on Web sites. The authenticity and integrity of a SUSE security announcement is guaranteed by a cryptographic signature in each announcement. All SUSE security announcements are published with a valid signature. To verify the signature of the announcement, save it as text into a file and run the command gpg --verify <file> replacing <file> with the name of the file where you saved the announcement. The output for a valid signature looks like: gpg: Signature made <DATE> using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team <security@suse.de>" where <DATE> is replaced by the date the document was signed. If the security team's key is not contained in your key ring, you can import it from the first installation CD. To import the key, use the command gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc - Package authenticity verification: SUSE update packages are available on many mirror FTP servers all over the world. While this service is considered valuable and important to the free and open source software community, the authenticity and the integrity of a package needs to be verified to ensure that it has not been tampered with. 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) Using the internal gpg signatures of the rpm package 2) MD5 checksums as provided in this announcement 1) The internal 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, replacing <file.rpm> with the filename of the RPM package downloaded. The package is unmodified if it contains a valid signature from build@suse.de with the key ID 9C800ACA. This key is automatically imported into the RPM database (on RPMv4-based distributions) and the gpg key ring of 'root' during installation. You can also find it on the first installation CD and at the end of this announcement. 2) If you need an alternative means of verification, use the md5sum command to verify the authenticity of the packages. Execute the command md5sum <filename.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 SUSE security announcement. Because the announcement containing the checksums is cryptographically signed (by security@suse.de), the checksums show proof of the authenticity of the package if the signature of the announcement is valid. Note that the md5 sums published in the SUSE Security Announcements are valid for the respective packages only. Newer versions of these packages cannot be verified. - SUSE runs two security mailing lists to which any interested party may subscribe: suse-security@suse.com - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <suse-security-subscribe@suse.com>. suse-security-announce@suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <suse-security-announce-subscribe@suse.com>. For general information or the frequently asked questions (FAQ), send mail to <suse-security-info@suse.com> or <suse-security-faq@suse.com>. ===================================================================== SUSE's security contact is <security@suse.com> or <security@suse.de>. The <security@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, the clear text signature should show proof of the authenticity of the text. SUSE Linux Products GmbH provides no warranties of any kind whatsoever with respect to the information contained in this security advisory. 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