-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: clamav Announcement ID: SUSE-SA:2006:060 Date: Wed, 18 Oct 2006 18:00:00 +0000 Affected Products: Novell Linux POS 9 Open Enterprise Server 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): 6 SUSE Default Package: no Cross-References: CVE-2006-4182, CVE-2006-5295 Content of This Advisory: 1) Security Vulnerability Resolved: two clamav security problems 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 Two security problems have been found and fixed in the anti virus scan engine "clamav", which could be used by remote attackers sending prepared E-Mails containing special crafted infected files to potentially execute code. CVE-2006-4182: A problem in dealing with PE (Portable Executables aka Windows .EXE) files could result in an integer overflow, causing a heap overflow, which could be used by attackers to potentially execute code. CVE-2006-5295: A problem in dealing with CHM (compressed help file) exists that could cause an invalid memory read, causing the clamav engine to crash. 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 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/clamav-0.88.5-0.2.i586.rpm 964cf3a6dd5b0f2a6d9dc64157da8161 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-0.88.5-0.1.i586.rpm cb4b120a6bae0e0fbe01b4da1afe8a8d SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/clamav-0.88.5-0.1.i586.rpm 80983b2e847814bf520353d2323096a8 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/clamav-0.88.5-0.1.i586.rpm 9906e32e0d30e1ca635cb3cf24ded93e Power PC Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.88.5-0.2.ppc.rpm 8444302c83bde8c05ad0b364c1c44052 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/clamav-0.88.5-0.1.ppc.rpm d8b9cba427fd384801fdb553f0f20fcf x86-64 Platform: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.88.5-0.2.x86_64.rpm cd8a450d769a8917e88abfec37d3e96a SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-0.88.5-0.1.x86_64.rpm 5a007b8d4f873499f4137fcebee86603 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/clamav-0.88.5-0.1.x86_64.rpm e6ec8962851ae738a7c964103f655d74 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/clamav-0.88.5-0.1.x86_64.rpm 6a8d3f8b6be490ee0772a03f776e8198 Sources: SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.88.5-0.2.src.rpm afe46b41ae34d657ce2cc0c311e9efd9 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/clamav-0.88.5-0.1.src.rpm 623389716f793a3c477e8abe2cd4bdd9 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/clamav-0.88.5-0.1.src.rpm 27232143bbf2b4d030029af3a1f77b41 SUSE LINUX 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/clamav-0.88.5-0.1.src.rpm da36e3d0a72dabcc16d17fed71ee2cee Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: Open Enterprise Server http://support.novell.com/techcenter/psdb/9052e142ab5cfd0891d67dee5c2e95e6.h... Novell Linux POS 9 http://support.novell.com/techcenter/psdb/9052e142ab5cfd0891d67dee5c2e95e6.h... SUSE SLES 10 http://support.novell.com/techcenter/psdb/9052e142ab5cfd0891d67dee5c2e95e6.h... SUSE SLES 9 http://support.novell.com/techcenter/psdb/9052e142ab5cfd0891d67dee5c2e95e6.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 " 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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