-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: sendmail Announcement ID: SUSE-SA:2006:032 Date: Wed, 14 Jun 2006 19:00:00 +0000 Affected Products: SUSE LINUX 10.1 SUSE LINUX 10.0 SUSE LINUX 9.3 SUSE LINUX 9.2 SUSE LINUX 9.1 SuSE Linux Enterprise Server 8 SUSE SLES 9 UnitedLinux 1.0 Vulnerability Type: remote denial of service Severity (1-10): 5 SUSE Default Package: no Cross-References: CVE-2006-1173, VU#146718 Content of This Advisory: 1) Security Vulnerability Resolved: sendmail remote denial of service attack 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 The Mail Transfer Agent sendmail has a remote exploitable problem, where a specially crafted MIME messages can crash sendmail and block queue processing. This issue is tracked by the Mitre CVE ID CVE-2006-1173 and CERT VU#146718. 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 sendmail 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 to apply the update, replacing with the filename of the downloaded RPM package. x86 Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/sendmail-8.13.6-9.3.i586.rpm 1e3fa1b7a729d2b260a4da6d9ff962f4 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/sendmail-8.13.4-8.6.i586.rpm 70a41db80164fb7d50e823774566ea9e SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/sendmail-8.13.3-5.6.i586.rpm 94679162ea3b479f20362f0d01ea4d72 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/sendmail-8.13.1-5.6.i586.rpm 10e79f3a40ec0c25911cf2549009d609 SUSE LINUX 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/sendmail-8.12.11-2.7.i586.rpm adc59ac9fa4ba76743bd073e0334b9d9 Power PC Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/sendmail-8.13.6-9.3.ppc.rpm 81580c25511daa9862a1dd8f5ca7d48b SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/sendmail-8.13.4-8.6.ppc.rpm ff81143d1dee29c58aea6038a952c903 x86-64 Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/sendmail-8.13.6-9.3.x86_64.rpm 8f724bcf3c0aaac8923241c9f3288c40 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/sendmail-8.13.4-8.6.x86_64.rpm 40fc8a5f7ad12159528b8cc1d4c2173f SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/sendmail-8.13.3-5.6.x86_64.rpm d8b8ba804ac1a04b22d673c52d654f69 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/sendmail-8.13.1-5.6.x86_64.rpm 6dcf297dbbcfb5d2b7d0a55efb9c3099 SUSE LINUX 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/sendmail-8.12.11-2.7.x86_64.rpm dd3ed5bd5318928a9bfe4320eed67027 Sources: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/sendmail-8.13.6-9.3.src.rpm 7ed5b46eb2ed2a18becadf43b8cba7b1 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/sendmail-8.13.4-8.6.src.rpm 0f93d3d608305d44667ec1b35a76e626 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/sendmail-8.13.3-5.6.src.rpm c9ac83c770a63f94fe18a156898ffe70 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/sendmail-8.13.1-5.6.src.rpm 6dd980cf9e4ee2d14d9ec1e8f7c804f5 SUSE LINUX 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/sendmail-8.12.11-2.7.src.rpm d312bd0544a7e3b7456abfb79a296383 ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/sendmail-8.12.11-2.7.src.rpm c1bfd5c0dbd95faee42ae0a2694147bf Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: UnitedLinux 1.0 http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/e92dc8b293ef6254... SUSE SLES 9 http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/e92dc8b293ef6254... SuSE Linux Enterprise Server 8 http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/e92dc8b293ef6254... ______________________________________________________________________________ 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 " 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 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 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 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-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 . For general information or the frequently asked questions (FAQ), send mail to or . ===================================================================== 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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