RE: Sophos Antivirus Library Remote Heap Overflow

["Dowling, Gabrielle" <dowlingg () sullcrom com>]

Sophos has had a fix for since August 5th...
http://www.sophos.com/support/knowledgebase/article/3409.htmlj.  The
vulnerability was also publicly discussed prior to that time.  

G

-----Original Message-----
From: list () rem0te com [mailto:list () rem0te com] 
Sent: Friday, August 26, 2005 8:36 AM
To: full-disclosure () lists grok org uk; bugtraq () securityfocus com
Subject: Sophos Antivirus Library Remote Heap Overflow


Date
August 26, 2005

Vulnerability
The Sophos Antivirus Library provides file format support for virus
analysis. During analysis of Visio files Sophos is vulnerable to a heap
overflow allowing attackers complete control of the system(s) being
protected. This vulnerability can be exploited remotely without user
interaction or authentication through common protocols such as SMTP,
SMB, HTTP, FTP, etc. 

Impact
Successful exploitation of Sophos protected systems allows attackers
unauthorized control of data and related privileges. It also provides
leverage for further network compromise. Sophos Antivirus Library
implementations are likely vulnerable in their default configuration.

Affected Products
Sophos Antivirus for Windows 2000/XP/2003
Sophos Antivirus for Windows NT
Sophos Antivirus for Mac OS X
Sophos Antivirus for MAC 8/9
Sophos Antivirus for UNIX/Linux
Sophos Antivirus for Netware
Sophos Antivirus for OS/2
Sophos Antivirus for OpenVMS
Sophos Antivirus for DOS/Windows 3.1x
Sophos Antivirus Small Business Edition for Windows
Sophos Antivirus Small Business Edition for Mac
PureMessage Small Business Edition 
PureMessage for Windows/Exchange
PureMessage for UNIX
MailMonitor for SMTP - Windows
MailMonitor for Notes/Domino
MailMonitor for Exchange

The Sophos Antivirus Library is also OEM by over 25 other vendors with
products that are affected by this vulnerability; see the following link
for a list. There are also several vendors not listed that OEM the
Sophos Antivirus Library. Refer to Sophos or your vendor for specifics.

http://www.sophos.com/partners/oem/

Credit
This vulnerability was discovered and researched by Alex Wheeler.

Contact
security () rem0te com 

Details
http://www.rem0te.com/public/images/sophos.pdf



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