Sophos Anti-Virus multiple archive security bypass
| sophos-archive-security-bypass (36502) |  Low Risk |
Description:
Sophos Anti-Virus could allow a remote attacker to bypass security restrictions, caused by a vulnerability when viewing specially-crafted CAB, LZH, or RAR archive files with a malicious header. By persuading a victim to open a specially-crafted archive file, an attacker could exploit this vulnerability to bypass scan protection.
Platforms Affected:
- Sophos, Sophos Anti-Virus virus engine prior to 2.49.0
Remedy:
Upgrade to the latest version of Sophos Anti-Virus (2.49.0 or later), available from the Sophos Web site. See References.
Consequences:
Bypass Security
References:
- Sophos Web site, Advisory: Sophos Anti-Virus evasion vulnerabilities reported at http://www.sophos.com/support/knowledgebase/article/29146.html.
- BID-25574: Sophos Anti-Virus CAB, LZH, and RAR File Scan Evasion Vulnerability
- CVE-2007-4787: The virus detection engine in Sophos Anti-Virus before 2.49.0 does not properly process malformed (1) CAB, (2) LZH, and (3) RAR files with modified headers, which might allow remote attackers to bypass malware detection.
- FrSIRT/ADV-2007-3078: Sophos Anti-Virus Multiple Archive Handling Detection Bypass Vulnerabilities
- SA26726: Sophos Anti-Virus Multiple Archive Detection Bypass
Reported:
Sep 04, 2007
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