Multiple CA products Anti-Virus engine archive file security bypass

ca-antivirus-engine-security-bypass (48261) The risk level is classified as MediumMedium Risk

Description:

Multiple CA products could allow a remote attacker to bypass security restrictions, caused by improper handling of certain archive file formats by the Arclib Archive Library (arclib) in the Anti-Virus engine. By sending a malicious archive file to a vulnerable system, a remote attacker could exploit this vulnerability to bypass the anti-virus scanning detection and launch further attacks on the system, once the file is extracted.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Refer to CA20090126-01 for patch, upgrade or suggested workaround information. See References.

References:

  • CA Security Response Blog, Jan 26 2009, 10:50 PM: CA20090126-01: CA Anti-Virus Engine Detection Evasion Multiple Vulnerabilities .
  • CA20090126-01: Security Notice for CA Anti-Virus Engine.
  • BID-33464: Computer Associates Anti-Virus Engine 'arclib.dll' Multiple Scan Evasion Vulnerabilities
  • CVE-2009-0042: Multiple unspecified vulnerabilities in the Arclib library (arclib.dll) before 7.3.0.15 in the CA Anti-Virus engine for CA Anti-Virus for the Enterprise 7.1, r8, and r8.1; Anti-Virus 2007 v8 and 2008; Internet Security Suite 2007 v3 and 2008; and other CA products allow remote attackers to bypass virus detection via a malformed archive file.
  • OSVDB ID: 53604: CA Anti-Virus Arclib Library (arclib.dll) Malformed Archive Scan Bypass
  • SA33712: CA Anti-Virus Engine Archive Files Detection Bypass
  • SECTRACK ID: 1021639: CA Anti-Virus Arclib Bug Lets Remote Users Bypass Malware Detection

Platforms Affected:

  • CA Anti-Spyware 2007
  • CA Anti-Spyware 2008
  • CA Anti-Virus 2007 8.0
  • CA Anti-Virus for the Enterprise 7.1
  • CA Anti-Virus for the Enterprise 8
  • CA Anti-Virus for the Enterprise 8.1
  • CA Anti-Virus Gateway 7.1
  • CA AntiVirus SDK
  • CA BrightStor ARCserve Backup 11.1
  • CA BrightStor ARCserve Backup 11.5
  • CA BrightStor ARCserve Backup 12
  • CA Common Services
  • CA eTrust Antivirus 8
  • CA eTrust Antivirus 8.1
  • CA eTrust Antivirus Gateway 7.1
  • CA eTrust EZ Antivirus 6.1
  • CA eTrust EZ Antivirus 7.0
  • CA eTrust Integrated Threat Management 8.0
  • CA eTrust PestPatrol 8.0
  • CA eTrust PestPatrol 8.1
  • CA eTrust Secure Content Manager 8.0
  • CA eTrust Secure Content Manager 8.1
  • CA Internet Security Suite 2007
  • CA Protection Suites 2
  • CA Protection Suites 3.0
  • CA Protection Suites 3.1
  • CA Secure Content Manager 8.0
  • CA Threat Manager 8 Enterprise
  • CA Unicenter NSM 11
  • CA Unicenter NSM 11.1
  • CA Unicenter NSM 11.2
  • CA Unicenter NSM 3.0
  • CA Unicenter NSM 3.1

Reported:

Jan 26, 2009

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