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SuSE alert SUSE-SA:2007:008 (XFree86-server,xorg-x11-server,xloader)

From:  Marcus Meissner <meissner@suse.de>
To:  suse-security-announce@suse.com
Subject:  [suse-security-announce] SUSE Security Announcement: XFree86/Xorg (SUSE-SA:2007:008)
Date:  Fri, 12 Jan 2007 16:36:22 +0100

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: XFree86-server,xorg-x11-server,xloader Announcement ID: SUSE-SA:2007:008 Date: Fri, 12 Jan 2007 17:00:00 +0000 Affected Products: Novell Linux Desktop 9 Novell Linux POS 9 Open Enterprise Server openSUSE 10.2 SUSE LINUX 10.1 SUSE LINUX 10.0 SUSE LINUX 9.3 SuSE Linux Desktop 1.0 SuSE Linux Enterprise Server 8 SuSE Linux Openexchange Server 4 SUSE LINUX Retail Solution 8 SuSE Linux School Server SuSE Linux Standard Server 8 SUSE SLED 10 SUSE SLES 10 SUSE SLES 9 UnitedLinux 1.0 Vulnerability Type: local privilege escalation Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2006-6101, CVE-2006-6102, CVE-2006-6103 Content of This Advisory: 1) Security Vulnerability Resolved: X integer overflows Problem Description 2) Solution or Work-Around 3) Special Instructions and Notes 4) Package Location and Checksums 5) Pending Vulnerabilities, Solutions, and Work-Arounds: - fetchmail security problems - Opera 9.10 security update - Acrobat Reader XSS issues 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion This update fixes three memory corruptions within the X server which could be used by local attackers with access to this display to crash the X server and potentially execute code. CVE-2006-6101: Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of glyph management data structures. CVE-2006-6102: Integer overflow in the ProcDbeGetVisualInfo function in the DBE extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of unspecified data structures. CVE-2006-6103: Integer overflow in the ProcDbeSwapBuffers function in the DBE extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of unspecified data structures. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes Please close and restart all running instances of X11 after the update. 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: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/xorg-x11... 58a6c5df853248cf8b288c3b42418ed4 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/xorg-x11... 73150d439b17768c2a634b3a6d2bc9e0 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/xor... de6c0a54f56c216296ff9a7b3a3dc571 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/xorg... cb05dbcf305d096cfea12acc7d250483 Power PC Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/xorg-x11-... af51406c70d92459c507718946883156 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/xorg-x11-... c93f29c703d5a9ab6c05f6348df42d3b SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/xorg... 122c81ed707559eb873a511ec7a381a1 x86-64 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/xorg-x... 2096f490f773d96e5a11cf9e715bdd74 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/xorg-x... 68ac3ff1bfa31483f016c62d72e934a3 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/x... 37cfc2641f53d9a70c8e437b58e2823f SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/xo... 864dc49e5a969a737efefc7c2a1fa3d6 Sources: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/xorg-x11-... 7539d15ac32aa71a3dbbe23dd39854aa Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: Open Enterprise Server http://support.novell.com/techcenter/psdb/3806664392b7217... Novell Linux POS 9 http://support.novell.com/techcenter/psdb/3806664392b7217... Novell Linux Desktop 9 http://support.novell.com/techcenter/psdb/3806664392b7217... SuSE Linux Desktop 1.0 http://support.novell.com/techcenter/psdb/3806664392b7217... SUSE SLES 9 http://support.novell.com/techcenter/psdb/3806664392b7217... UnitedLinux 1.0 http://support.novell.com/techcenter/psdb/765b98b723b218b... SuSE Linux Openexchange Server 4 http://support.novell.com/techcenter/psdb/765b98b723b218b... SuSE Linux Enterprise Server 8 http://support.novell.com/techcenter/psdb/765b98b723b218b... SuSE Linux Standard Server 8 http://support.novell.com/techcenter/psdb/765b98b723b218b... SuSE Linux School Server http://support.novell.com/techcenter/psdb/765b98b723b218b... SUSE LINUX Retail Solution 8 http://support.novell.com/techcenter/psdb/765b98b723b218b... SUSE SLES 10 http://support.novell.com/techcenter/psdb/8d278592fd99987... SUSE SLED 10 http://support.novell.com/techcenter/psdb/8d278592fd99987... ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Work-Arounds: - fetchmail security problems The POP3/IMAP client fetchmail had two security issues fixed: - Incorrect SSL handling could allow a man in the middle attack against fetchmail or could expose passwords and similar when too trivial encryption would be selected. (CVE-2006-5867) - A fetchmail daemon might crash when using direct MDA delivery. (CVE-2006-5974) We are preparing updates for these problems. - Opera 9.10 security update The Opera webbrowser was released in version 9.10 and only after some days it was known that it also fixes security problems. We are preparing Opera updates to version 9.10. - Acrobat Reader XSS issues Various Cross Site Scripting issues and potential code execution issues were found in the Acrobat Reader Plugin. We are preparing updates to update Acrobat Reader to version 7.0.9 currently. ______________________________________________________________________________ 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: opensuse-security@opensuse.org - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <opensuse-security+subscribe@opensuse.org>. 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>. ===================================================================== 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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