Avast! Antivirus 'mfc90loc.dll' DLL Loading Arbitrary Code Execution Vulnerability

Bugtraq ID:	42691
Class:	Design Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 25 2010 12:00AM
Updated:	Aug 25 2010 12:00AM
Credit:	Bruno Filipe (diwr)
Vulnerable:	Avast! Antivirus 5.0.594
Not Vulnerable:

Avast! Antivirus 'mfc90loc.dll' DLL Loading Arbitrary Code Execution Vulnerability

Avast! Antivirus is prone to a vulnerability that lets attackers execute arbitrary code.

An attacker can exploit this issue by enticing a legitimate user to use the vulnerable application to open a file from a network share location that contains a specially crafted Dynamic Linked Library (DLL) file.

Avast! Antivirus 5.0.594 is vulnerable; other versions may also be affected.

Avast! Antivirus 'mfc90loc.dll' DLL Loading Arbitrary Code Execution Vulnerability

The following exploit is available:

• /data/vulnerabilities/exploits/42691.c

Avast! Antivirus 'mfc90loc.dll' DLL Loading Arbitrary Code Execution Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Avast! Antivirus 'mfc90loc.dll' DLL Loading Arbitrary Code Execution Vulnerability

References:

• Avast! Homepage (Avast!)
  
• Microsoft Security Advisory (2269637) (Microsoft)