-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: clamav Announcement ID: SUSE-SA:2006:046 Date: Wed, 09 Aug 2006 16:00:00 +0000 Affected Products: SUSE LINUX 10.1 SUSE LINUX 10.0 SUSE LINUX 9.3 SUSE LINUX 9.2 SUSE SLES 10 SUSE SLES 9 Vulnerability Type: remote code execution Severity (1-10): 5 SUSE Default Package: no Cross-References: CVE-2006-4018 Content of This Advisory: 1) Security Vulnerability Resolved: clamav heap buffer overflow 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 Damian Put discovered a bug in the UPX decoder used for scanning UPX compressed Windows executables. The bug allows for a heap buffer overflow and may potentially be exploitable to execute arbitrary code. ClamAV has been version updated to version 0.88.4 in order to fix this problem. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes If you use clamd or freshclam please restart them after the update if that didn't happen automatically. 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: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-0.88.4-0.2.i586.rpm d782f3c2ec62fca80cbb1f2bb531b758 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-0.88.4-0.1.i586.rpm 2506a173ae698bbb85077edd252bd537 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/clamav-0.88.4-0.1.i586.rpm 0cd9e4ae7f3aeeff26cad68d2fbd4ea9 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/clamav-0.88.4-0.1.i586.rpm 1f2c24cc49f1bec6b8bf1f4ad0e3be04 Power PC Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.88.4-0.2.ppc.rpm 466de7dbb509ed9e1d049fe4d1748d6c SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/clamav-0.88.4-0.1.ppc.rpm 294827d288e5d409fbcbe80b1bcd4a01 x86-64 Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.88.4-0.2.x86_64.rpm 92bd2caca792c63f3e074998e0f2966e SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-0.88.4-0.1.x86_64.rpm e200bb4c9de2706d4a549869fea85dc6 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/clamav-0.88.4-0.1.x86_64.rpm 4ff1d40fc1721bb6d4930c582ad27bfd SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/clamav-0.88.4-0.1.x86_64.rpm 4fdf8b51963cd0460b7a2febf056003c Sources: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.88.4-0.2.src.rpm 071e56397a105c1ec8fb99937aba6b7d SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/clamav-0.88.4-0.1.src.rpm 183529f6fb8098c5cd592bfaf0841f5d SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/clamav-0.88.4-0.1.src.rpm 95fd6765b9ac67100b81ac321daf2867 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/clamav-0.88.4-0.1.src.rpm 0759b1e53d0148b2ad372d33ed3d1135 Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: SUSE SLES 9 http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/3320ba39bded04bc... SUSE SLES 10 http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/3320ba39bded04bc... ______________________________________________________________________________ 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: 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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