Check Point Advisories

Nullsoft Winamp AVI Stream Count Integer Overflow (CVE-2011-3834)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-137
Date Published:	16 Apr 2012
Severity:	Medium
Last Updated:	Tuesday 23 April, 2024
Source:	CVE-2011-3834
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	NullSoft WinAmp 5.622 and prior
Vulnerability Description	A remote code execution vulnerability has been reported in Nullsoft Winamp.
Vulnerability Details	The vulnerability is due to an integer overflow condition while handling specially crafted AVI files. A remote attacker can exploit this issue by enticing target users to open a malicious .AVI file with an affected version of Winamp. Successful exploitation would allow attackers to execute arbitrary code with the security privileges of the target user.

Protection Overview

This protection will detect and block the transferring of specially crafted .AVI files.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Nullsoft Winamp AVI Stream Count Integer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Media Player Enforcement Violation
Attack Information: Nullsoft Winamp AVI Stream Count Integer Overflow