Clam AntiVirus (ClamAV) RAR file weak security

clamav-rar-weak-security (41874)

Low Risk

Description:

Clam AntiVirus (ClamAV) could provide weaker than expected security. The scanning engine fails to inspect RAR files containing invalid version numbers. A remote attacker could exploit this vulnerability using a specially-crafted RAR file to launch further attacks against the system.

Platforms Affected:

• Astaro, Astaro Security Gateway 7.0
• Clam Anti-Virus, ClamAV 0.15
• Clam Anti-Virus, ClamAV 0.20
• Clam Anti-Virus, ClamAV 0.21
• Clam Anti-Virus, ClamAV 0.22
• Clam Anti-Virus, ClamAV 0.23
• Clam Anti-Virus, ClamAV 0.24
• Clam Anti-Virus, ClamAV 0.51
• Clam Anti-Virus, ClamAV 0.52
• Clam Anti-Virus, ClamAV 0.53
• Clam Anti-Virus, ClamAV 0.54
• Clam Anti-Virus, ClamAV 0.60
• Clam Anti-Virus, ClamAV 0.60p
• Clam Anti-Virus, ClamAV 0.65
• Clam Anti-Virus, ClamAV 0.67
• Clam Anti-Virus, ClamAV 0.68
• Clam Anti-Virus, ClamAV 0.68.1
• Clam Anti-Virus, ClamAV 0.70
• Clam Anti-Virus, ClamAV 0.71
• Clam Anti-Virus, ClamAV 0.72
• Clam Anti-Virus, ClamAV 0.73
• Clam Anti-Virus, ClamAV 0.74
• Clam Anti-Virus, ClamAV 0.75
• Clam Anti-Virus, ClamAV 0.75.1
• Clam Anti-Virus, ClamAV 0.80 RC4
• Clam Anti-Virus, ClamAV 0.80 RC3
• Clam Anti-Virus, ClamAV 0.80 RC1
• Clam Anti-Virus, ClamAV 0.80
• Clam Anti-Virus, ClamAV 0.80 RC2
• Clam Anti-Virus, ClamAV 0.81 RC1
• Clam Anti-Virus, ClamAV 0.81
• Clam Anti-Virus, ClamAV 0.82
• Clam Anti-Virus, ClamAV 0.83
• Clam Anti-Virus, ClamAV 0.84
• Clam Anti-Virus, ClamAV 0.84 RC1
• Clam Anti-Virus, ClamAV 0.84 rc2
• Clam Anti-Virus, ClamAV 0.85
• Clam Anti-Virus, ClamAV 0.85.1
• Clam Anti-Virus, ClamAV 0.86 RC1
• Clam Anti-Virus, ClamAV 0.86
• Clam Anti-Virus, ClamAV 0.86.1
• Clam Anti-Virus, ClamAV 0.86.2
• Clam Anti-Virus, ClamAV 0.87
• Clam Anti-Virus, ClamAV 0.87.1
• Clam Anti-Virus, ClamAV 0.88
• Clam Anti-Virus, ClamAV 0.88.1
• Clam Anti-Virus, ClamAV 0.88.3
• Clam Anti-Virus, ClamAV 0.88.4
• Clam Anti-Virus, ClamAV 0.88.5
• Clam Anti-Virus, ClamAV 0.88.6
• Clam Anti-Virus, ClamAV 0.88.7
• Clam Anti-Virus, ClamAV 0.90 RC1
• Clam Anti-Virus, ClamAV 0.90 RC3
• Clam Anti-Virus, ClamAV 0.90 RC2
• Clam Anti-Virus, ClamAV 0.90
• Clam Anti-Virus, ClamAV 0.90 RC1.1
• Clam Anti-Virus, ClamAV 0.90.1
• Clam Anti-Virus, ClamAV 0.90.2
• Clam Anti-Virus, ClamAV 0.91
• Clam Anti-Virus, ClamAV 0.91 RC2
• Clam Anti-Virus, ClamAV 0.91.1
• Clam Anti-Virus, ClamAV 0.91.2
• Clam Anti-Virus, ClamAV 0.92
• Clam Anti-Virus, ClamAV 0.92.1
• Gentoo, Linux
• MandrakeSoft, Mandrake Linux 2007.1 X86_64
• MandrakeSoft, Mandrake Linux 2007.1
• MandrakeSoft, Mandrake Linux 2008.0
• MandrakeSoft, Mandrake Linux 2008.0 X86_64
• MandrakeSoft, Mandrake Linux 2008.1
• MandrakeSoft, Mandrake Linux 2008.1 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 3.0
• MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 4.0
• MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
• Novell, Linux POS 9
• Novell, Open Enterprise Server
• Novell, Open Enterprise Server
• Novell, OpenSUSE 10.2
• Novell, OpenSUSE 10.3
• Novell, SLE SDK 10 SP1
• Novell, SUSE Linux Enterprise Server 10
• Novell, SUSE Linux Enterprise Server 10 SP1
• SuSE, SLE SDK 10
• SuSE, SuSE SLES 9

Remedy:

Upgrade to the latest version of Clam AntiVirus (0.93 or later), available from the Clam AntiVirus Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

Consequences:

Other

References:

• Astaro Web site, Up2Date Announcements: Up2Date ASG V7.300 GA Release at http://up2date.astaro.com/2008/08/up2date_asg_v7300_ga_released.html.
• Clam AntiVirus Web site, Clam AntiVirus at http://www.clamav.net/.
• ClamAV Bugzilla Bug 541, RAR - Version required to extract - Evasion at https://wwws.clamav.net/bugzilla/show_bug.cgi?id=541.
• BID-28784: ClamAV 0.92.1 Multiple Vulnerabilities
• CVE-2008-1835: ClamAV before 0.93 allows remote attackers to bypass the scanning enging via a RAR file with an invalid version number, which cannot be parsed by ClamAV but can be extracted by Winrar.
• GLSA-200805-19: ClamAV: Multiple vulnerabilities
• MDVSA-2008:088: Updated clamav packages fix multiple vulnerabilities
• SA31576: Astaro update for ClamAV
• SUSE-SA:2008:024: clamav 0.93 security update

Reported:

Apr 14, 2008

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