Check Point Advisories

Mozilla Products Malformed GIF Buffer Overflow (CVE-2005-0399)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-1060
Date Published:	31 Aug 2015
Severity:	High
Last Updated:	Monday 07 March, 2016
Source:
Industry Reference:	CVE-2005-0399
Protection Provided by:	Security Gateway R81, R80
Who is Vulnerable?	Mozilla Foundation Firefox 1.0.1 and prior Mozilla Foundation Mozilla Suite 1.0.1 and prior Mozilla Foundation Mozilla Suite 1.7.5 and prior Mozilla Foundation Thunderbird 1.0.1 and prior Mozilla Foundation Thunderbird 1.7.5 and prior
Vulnerability Description	A vulnerability exists in the way Mozilla products parse certain extension blocks in GIF image files. A specially crafted value can trigger a heap-based buffer overflow. An attacker can exploit this flaw to execute arbitrary code on the target with the privileges of the currently logged in user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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

Security Gateway R80

In the IPS tab, click Protections and find the Mozilla Products Malformed GIF Buffer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Mozilla Products Malformed GIF Buffer Overflow