Sophos Anti-Virus Cabinet File Processing Memory Corruption - Secunia Advisories - Vulnerability Intelligence

Sophos Anti-Virus Cabinet File Processing Memory Corruption
Secunia Advisory:	SA20028	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-05-09
Popularity:	8,979 views

Critical:	Highly critical
Impact:	System access
Where:	From remote
Solution Status:	Vendor Patch

Software:	Sophos Anti-Virus 3.x Sophos Anti-Virus 4.x Sophos Anti-Virus 5.x Sophos Anti-Virus Small Business Edition Sophos MailMonitor for Notes/Domino Sophos MailMonitor for SMTP Sophos PureMessage for UNIX 4.x Sophos PureMessage for UNIX 5.x Sophos PureMessage for Windows/Exchange 2.x Sophos PureMessage Small Business Edition 2.x

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CVE reference:	CVE-2006-0994

Description: A vulnerability has been reported in various Sophos Anti-Virus products, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to an error when unpacking Microsoft Cabinet files (.CAB). This can be exploited to corrupt heap memory when a specially crafted Cabinet file with an invalid folder count in the CAB header is scanned. Successful exploitation allows execution of arbitrary code, but requires that Cabinet file inspection is enabled. Solution: The vendor has issued updated versions (see patch matrix in the vendor's advisory). Provided and/or discovered by: Discovered by an anonymous researcher and reported via ZDI. Original Advisory: Sophos: http://www.sophos.com/support/knowledgebase/article/4934.html Zero Day Initiative: http://www.zerodayinitiative.com/advisories/ZDI-06-012.html

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