-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2007:023 Date: Wed, 31 Oct 2007 16:00:00 +0000 Cross-References: CVE-2007-4029, CVE-2007-4033, CVE-2007-4065 CVE-2007-4066, CVE-2007-4985, CVE-2007-4986 CVE-2007-4987, CVE-2007-4988, CVE-2007-5197 Content of this advisory: 1) Solved Security Vulnerabilities: - mono BigInteger overflow - GraphicsMagick/ImageMagick integer overflows - t1lib buffer overflow - libvorbis crash and denial of service problems 2) Pending Vulnerabilities, Solutions, and Work-Arounds: None listed this week. 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. - Mono BigInteger overflow Mono was updated to fix a buffer overflow in Mono's BigInteger implementation. This issue is tracked by the Mitre CVE ID CVE-2007-5197 and was fixed for all affected products. - GraphicsMagick/ImageMagick integer overflows GraphicsMagick and ImageMagick were updated to fix several security vulnerabilities. - CVE-2007-4985: infinite loop while parsing images - CVE-2007-4986: integer overflows that can lead to code execution - CVE-2007-4987: one-byte buffer overflow that can lead to code execution - CVE-2007-4988: integer overflows that can lead to code execution They were updated for all SUSE Linux based products containing ImageMagick or GraphicsMagick. - t1lib buffer overflow A buffer overflow in t1lib could potentially be exploited to execute arbitrary code via specially crafted files (CVE-2007-4033). t1lib has been updated on all affected products. - libvorbis crash and denial of service problems Specially crafted OGG files could crash libvorbis or make it run into an endless loop (CVE-2007-4029, CVE-2007-4065, CVE-2007-4066). libvorbis was updated for all affected SUSE Linux distributions. ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds None listed this week. ______________________________________________________________________________ 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 " 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 to verify the signature of the package, replacing 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: 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-announce@opensuse.org - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to . ===================================================================== SUSE's security contact is or . The 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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