-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: clamav Announcement ID: SUSE-SA:2005:055 Date: Mon, 26 Sep 2005 12:00:00 +0000 Affected Products: SUSE LINUX 9.1, 9.2, 9.3, 10.0 SUSE Linux Enterprise Server 9 Vulnerability Type: remote code execution Severity (1-10): 5 SUSE Default Package: no Cross-References: CAN-2005-2919 CAN-2005-2920 Content of This Advisory: 1) Security Vulnerability Resolved: clamav problems in UPX and FSG EXE compressors 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 This update upgrades clamav to version 0.87. It fixes vulnerabilities in handling of UPX and FSG compressed executables, which could lead to a remote attacker executing code within the daemon using clamav. These are tracked by the Mitre CVE IDs CAN-2005-2919 and CAN-2005-2920. Also following bugs were fixed: - Support for PE files, Zip and Cabinet archives has been improved and other small bugfixes have been made. - The new option "--on-outdated-execute" allows freshclam to run a command when system reports a new engine version. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes Make sure you restart all daemons linking against the clamav engine directly 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 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/clamav-0.87-1.1.i586.rpm 6c55b69bec8ac76df879610e398c57f5 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/clamav-0.87-1.1.i586.rpm 51e99e851de3af05a1e10ce5d21d0f8d SUSE LINUX 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/clamav-0.87-1.2.i586.rpm 243b8a505a83a1fe449961a1b6dfcff3 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/clamav-0.87-1.2.src.rpm 95eeec2ea8731c364b10eb50b1d200b9 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-0.87-1.1.i586.rpm 45c46b8f2ebb6a097ec253a4f930ee9d Power PC Platform: SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0-OSS/rpm/ppc/clamav-0.87-1.1.ppc.rpm 2ba2c1b077598f08c24e4b8d5edee68c x86-64 Platform: SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/clamav-0.87-1.1.x86_64.rpm db4063e9b447132b6b6fe780d6af54da source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/clamav-0.87-1.1.src.rpm d46fadec2816d9577979b67a7f66c282 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/clamav-0.87-1.1.x86_64.rpm 60b1f27bad3ef7b857bae850c866b011 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/clamav-0.87-1.1.src.rpm 667c9deb85b25b20dbf01c2b6095791f SUSE LINUX 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/clamav-0.87-1.2.x86_64.rpm fcfc56602da9cb6f7442ba52561d8701 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/clamav-0.87-1.2.src.rpm a3a648d1657d1a90132af05996c18241 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-0.87-1.1.x86_64.rpm a40edb865bcd89b302969b1b7df8ead6 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/clamav-0.87-1.1.src.rpm e384d8586359dfe548fdc96a4d9f7700 Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/3952d0ed7bf90e0e... http://portal.suse.com/psdb/3952d0ed7bf90e0e933aa1ba609705c2.html ______________________________________________________________________________ 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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