-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2006:023 Date: Wed, 27 Sep 2006 14:00:00 +0000 Cross-References: CVE-2004-2655, CVE-2006-3739, CVE-2006-3740 CVE-2006-4019, CVE-2006-4031, CVE-2006-4192 CVE-2006-4226, CVE-2006-4227, CVE-2006-4790 Content of this advisory: 1) Solved Security Vulnerabilities: - X11 error handling in CID fonts - mysql authorization problem - xmms-plugins buffer overflow - gnutls RSA signature forgery - squirrelmail security problem - xscreensaver locking without keyboard grab - newpg,libksba crashes on signature verify - bind remote denial of service problems 2) Pending Vulnerabilities, Solutions, and Work-Arounds: - kernel update 3) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Solved Security Vulnerabilities To avoid flooding mailing lists with SUSE Security Announcements for minor issues, SUSE Security releases weekly summary reports for the low profile vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums or download URLs like the SUSE Security Announcements that are released for more severe vulnerabilities. Fixed packages for the following incidents are already available on our FTP server and via the YaST Online Update. - X11 security problem in handling of CID fonts An integer overflow vulnerability when rendering CID-keyed fonts in the X Server was fixed. This problem is tracked by the Mitre CVE IDs CVE-2006-3739/CVE-2006-3740. The update was released on 19th September for all SUSE Linux based distributions. - mysql authorization problem The database server mysql was updated to fix several security vulnerabilities. CVE-2006-4031: authorization bypass through a previously created MERGE table CVE-2006-4226: authorization bypass on case sensitive file systems to databases differing only in capitalization (getting access to 'Foo' even if you only have access to 'foo'). CVE-2006-4227: argument evaluation in suid routines was done in the privilege context of the routine definer instead of the caller. Updates for this problem have been released for all SUSE Linux based distributions on September 22th. - xmms-plugins buffer overflow When using the XMMS plugin bundle package (xmms-plugins) specially crafted AMF files could potentially be used to exploit a heap based buffer overflow in libmodplug (CVE-2006-4192). Updates for all SUSE Linux versions were released on September 21st. - gnutls RSA signature forgery The GNU TLS library was also affected by the RSA signature forgery problem, where excess data was not checked during signature checking with RSA keys with exponent 3. This problem could be used to fake those RSA signatures. (CVE-2006-4790). Updates for all SUSE Linux based distributions were released on September 27th. - squirrelmail security problem A minor bug was fixed in the squirrelmail webmail front end were authenticated users can modify the preferences of other users. This problem is tracked by the Mitre CVE ID CVE-2006-4019 and was released on September 15th for SUSE Linux 9.2 up to 10.0. - xscreensaver locking without keyboard grab xscreensaver locked the screen even if it failed to grab the keyboard. Therefore it was possible to accidentally type the password into a different program than the screen saver. rdesktop is known to expose this problem. The Mitre CVE ID CVE-2004-2655 was assigned to this problem and it was fixed for SUSE Linux Enterprise Server 8 and 9, and Novell Linux Desktop 9. - newpg,libksba crashes on signature verify The gpgsm program crashed when verifying a signature with certain malformed x.509 certificates. This update was released for all affected SUSE Linux Distributions. - bind remote denial of service problems This update fixes two vulnerabilities in bind that allow a remote attacker to trigger a denial-of-service attack. (VU#697164 - BIND INSIST failure due to excessive recursive queries, VU#915404 - BIND assertion failure during SIG query processing) Up to now only SUSE Linux Enterprise 10 fixed packages were released, others are currently QA tested. ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds - current kernel update The packages of the last kernel update have almost all been released for our customers, except SLES 10 for S/390. Once this last kernel has been released, a separate security advisory will be published. ______________________________________________________________________________ 3) 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 containing 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 integrity of a package needs to be verified to ensure that it has not been tampered with. 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 included at the end of this announcement. - 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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