Clam AntiVirus (ClamAV) and Kolab Server RAR file security bypass

clamav-rar-security-bypass (34823) The risk level is classified as MediumMedium Risk

Description:

Clam AntiVirus (ClamAV) and Kolab Server could allow a remote attacker to bypass security restrictions, caused by a vulnerability in the parsing engine. By sending a specially-crafted RAR file to a vulnerable system, a remote attacker could bypass scanning detection and possibly execute arbitrary code on the system, once the file is processed.

*CVSS:

Base Score: 2.8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 2.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

For Clam AntiVirus:
Upgrade to the latest version of Clam AntiVirus (0.90.3 or later), available from the Clam AntiVirus Web site. See References.

For Kolab Server:
Upgrade to the latest version of Kolab Server (2.1.0 or later) and Clam AntiVirus (0.90.3 or later), available from the Clam AntiVirus and Kolab Server Web site. See References.

For Gentoo Linux (clamav):
Refer to GLSA 200706-05 for patch, upgrade, or suggested workaround information. See References.

For Debian/GNU Linux (clamav):
Refer to DSA-1320-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • ClamAV ClamAV 0.90.2 and prior
  • Debian Debian Linux 3.1
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • Kolab Kolab Server 2.0.4
  • Kolab Kolab Server 2.1.0
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0

Reported:

May 30, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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