-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: w3m Announcement ID: SUSE-SA:2007:005 Date: Wed, 10 Jan 2007 13:00:00 +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: remote denial of service, remote code execution Severity (1-10): 5 SUSE Default Package: yes Cross-References: CVE-2006-6772 Content of This Advisory: 1) Security Vulnerability Resolved: format string problem in w3m Problem Description 2) Solution or Work-Around 3) Special Instructions and Notes 4) Package Location and Checksums 5) Pending Vulnerabilities, Solutions, and Work-Arounds: See SUSE Security Summary Report. 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion A format string problem in w3m -dump / -backend mode could be used by a malicious server to crash w3m or execute code. In SUSE Linux 10.1, openSUSE 10.2 and SUSE Linux Enterprise Server and Desktop 10 this problem was not exploitable to execute code due to use of the FORTIFY SOURCE extensions. This problem is tracked by the Mitre CVE ID CVE-2006-6772. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes None 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/w3m-0.5.1-41.2.i586.rpm 3525018108eef9575b49f83fff5d2ccc SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/w3m-0.5.1-19.5.i586.rpm 30b208f9f0b2bab7f307992f5b9ba37a SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/w3m-0.5.1-6.2.i586.rpm 2fe8c1e60e42d455f3a7893d746fed5b SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/w3m-0.5.1-4.2.i586.rpm e4d9b3249af7c1e30e952fed5f0ca715 Power PC Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/w3m-0.5.1-41.2.ppc.rpm 0af57d2db4baee945906778928ba224c SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/w3m-0.5.1-19.5.ppc.rpm 8b82c09173486db5bd3e86e608eb8f03 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/w3m-0.5.1-6.2.ppc.rpm cdacb01e8ff67ae2b6a9e8b50aca2ded x86-64 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/w3m-0.5.1-41.2.x86_64.rpm e15ebe53773a96389d9c6f881c0b78fe SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/w3m-0.5.1-19.5.x86_64.rpm 58f2eef278dd4d44353b7667cee9052e SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/w3m-0.5.1-6.2.x86_64.rpm 7a55737fd8c21182155fc072a94effe6 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/w3m-0.5.1-4.2.x86_64.rpm e58ec0574d37df6c380ddfefc6ca8f2e Sources: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/w3m-0.5.1-41.2.src.rpm 0586de642d025ad7cb90b322d13b6070 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/w3m-0.5.1-19.5.src.rpm 2b58129ee87210b76a4ed07fe98e9f4e SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/w3m-0.5.1-6.2.src.rpm 120ba25b2123467e4c7df451452c36a8 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/w3m-0.5.1-4.2.src.rpm e6fccb4480b5d8e7445ad83fb1e6b43b Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: UnitedLinux 1.0 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SuSE Linux Openexchange Server 4 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... Open Enterprise Server http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... Novell Linux POS 9 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... Novell Linux Desktop 9 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SuSE Linux Enterprise Server 8 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SuSE Linux Standard Server 8 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SuSE Linux School Server http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SUSE LINUX Retail Solution 8 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SuSE Linux Desktop 1.0 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SUSE SLES 10 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SUSE SLED 10 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... SUSE SLES 9 http://support.novell.com/techcenter/psdb/68d7a138079c9fa4fa2b1defabd0c5ab.h... ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Work-Arounds: See SUSE Security Summary Report. ______________________________________________________________________________ 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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