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Category:   Application (Security)  >   Sophos Anti-Virus Vendors:   Sophos
Sophos Anti-Virus Buffer Overflow in Parsing CAB Headers Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016041
SecurityTracker URL:  http://securitytracker.com/id/1016041
CVE Reference:   CVE-2006-0994   (Links to External Site)
Date:  May 8 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Sophos Anti-Virus. A remote user can execute arbitrary code on the target system.

A remote user can send a Microsoft Cabinet file that contains specially crafted and invalid folder count values in the CAB header. When the CAB file is parsed, a buffer overflow will occur and arbitrary code will be executed on the target system.

Systems with cabinet file inspection enabled are affected.

The PureMessage and MailMonitor products are also affected.

The vendor was notified on March 20, 2006.

TippingPoint reported this vulnerability.

The original advisory is available at:

http://www.zerodayinitiative.com/advisories/ZDI-06-012.html

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version. A patch matrix is provided in the vendor's advisory at:

http://www.sophos.com/support/knowledgebase/article/4934.html

Vendor URL:  www.sophos.com/support/knowledgebase/article/4934.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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