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______________________________________________________________________________

SUSE Security Announcement

Package: clamav Announcement ID: SUSE-SA:2008:024 Date: Thu, 24 Apr 2008 17:00:00 +0000 Affected Products: SUSE LINUX 10.1 openSUSE 10.2 openSUSE 10.3 SUSE SLES 9 Open Enterprise Server Novell Linux POS 9 SLE SDK 10 SP1 SUSE Linux Enterprise Server 10 SP1 Vulnerability Type: remote code execution Severity (1-10): 7 SUSE Default Package: no Cross-References: CVE-2007-6595, CVE-2007-6596, CVE-2008-0314 CVE-2008-1100, CVE-2008-1387, CVE-2008-1833 CVE-2008-1835, CVE-2008-1836, CVE-2008-1837

Content of This Advisory: 1) Security Vulnerability Resolved: clamav 0.93 security update 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 AntiVirus scan engine ClamAV was updated to version 0.93 fixes a long list of vulnerabilities.

These vulnerabilities can lead to remote code execution, bypassing the scanning engine, remote denial-of-service, local file overwrite. (CVE-2008-1837, CVE-2008-1836, CVE-2008-1835, CVE-2008-1833, CVE-2008-1387, CVE-2008-1100, CVE-2008-0314, CVE-2007-6595, CVE-2007-6596)

Since the library changed, we also released updated klamav packages for openSUSE 10.2 and 10.3.

2) Solution or Work-Around

There is no known workaround, please install the update packages.

3) Special Instructions and Notes

If you use clamd as a daemon, please check that it is running after the update.

Due to database changes it might not have restarted correctly.

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 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/klamav-0.41.1... 5f062d237d2e2b467c04249d7ab4eaff

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-0.93-0.3.i586.rpm 5c1208a1568ce8406cffbad97c17d5cd ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-db-0.93-0.3.i586.rpm cc3797fc934ca8a7d36e951aedfd1205 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/klamav-0.41.1-17.4.i586.rpm 2d4a630d9477ad647c5f043a2061eec9

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-0.93-0.6.i586.rpm bae48419bbd6d98158b43a27d2e4ae26 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-db-0.93-0.6.i586.rpm 24c9cee54b8921b2c3896218ebf653fc

openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/clamav-0.93-0... cb1b5ad1c50971cd67a969641eb09b5b http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/clamav-db-0.9... 05c5ad3009b29ce730089376c4e94437

Power PC Platform:

openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/clamav-0.93-0.... 0e6fd8ae2c47f5cf35671cf268c472a7 http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/clamav-db-0.93... 67bcdf76348f56ecf7e6e7f44551e58f http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/klamav-0.41.1-... 9d0be2b87217d54485717178877d0e27

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-0.93-0.3.ppc.rpm feea77a7898ef22fee24db6990dfcd53 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-db-0.93-0.3.ppc.rpm c557477dfa4437292b476064b9008ce5 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/klamav-0.41.1-17.4.ppc.rpm 465357407c32c4b3f2858923dcf1fa79

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.93-0.6.ppc.rpm aefcb66e85016ea7ffac9ec90f07b941 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-db-0.93-0.6.ppc.rpm c41dab747d0917115afca974dbf71f56

x86-64 Platform:

openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/clamav-0.93... b52b015df19d50ed90d59aaef2359695 http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/clamav-db-0... 60450bcf1b6e77d9c401f39e53c80b80 http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/klamav-0.41... 6889d3a67a917066a36a8f29dea43b60

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-0.93-0.3.x86_64.rpm 6ad977899b59f5dc29c3499b57794fe2 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-db-0.93-0.3.x86_64.rpm b69ab97fc38e5156fd14997621070521 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/klamav-0.41.1-17.4.x86_64.rpm dfa9b572d5e7756ee3f7c9f515430fcb

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.93-0.6.x86_64.rpm d823bff9b6bd7a8363577d452cf32f85 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-db-0.93-0.6.x86_64.rpm 9fa30054ab60358dd34227fc1ba534c4

Sources:

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.93-0.6.src.rpm 46330515b9c6195b80df21260727c917

openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/clamav-0.93-0.... b69d60de1059e37b16f1b8f4b6fdbcb0 http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/klamav-0.41.1-... e6dc89b046f7cb3649b480d0979d67c4

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/clamav-0.93-0.3.src.rpm 4dfc2359d565c5584eed51fb0b6477cd ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/klamav-0.41.1-17.4.src.rpm 69b4f005d5e1910f817c9a6a2d9fc227

Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web.

______________________________________________________________________________

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.

opensuse-security-announce@opensuse.org - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to opensuse-security-announce+subscribe@opensuse.org.

===================================================================== 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.

Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team security@suse.de pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key build@suse.de

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