Sophos Anti-Virus CPIO Archive Parsing Buffer Overflow Vulnerability

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Sophos Anti-Virus.

The specific flaw exists in the parsing of CPIO archives. When a long non-null terminated filename is processed by veex.dll, a stack overflow occurs. Exploitation is possible leading to remote code execution running under the SYSTEM context.

Additional Details

Sophos has issued an update to correct this vulnerability. More details can be found at:
http://www.sophos.com/support/knowledgebase/article/17340.html

Disclosure Timeline

• 2006-09-14 - Vulnerability reported to vendor
• 2006-12-12 - Coordinated public release of advisory

Credit

Anonymous

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