Check Point Advisories

Amaya Browser BDO Tag Buffer Overflow (CVE-2009-0323)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-376
Date Published:	16 Aug 2011
Severity:	High
Last Updated:	Wednesday 09 April, 2014
Source:
Industry Reference:	CVE-2009-0323
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow vulnerability has been reported in Amaya web browser. Amaya is an open source web authoring and browsing tool which is mainly used as a test bed for web standards. The vulnerability is due to an error in the way the browser parses HTML files with specially crafted BDO tags. A remote attacker could trigger this vulnerability by enticing an unsuspecting victim to open a crafted link. Successful exploitation may lead to a buffer overflow, allowing an attacker to execute code on the affected system

Protection Overview

This protection will detect and block attempts to transfer such malicious HTML files.

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 / R77 / R75

In the IPS tab, click Protections and find the Amaya Browser BDO Tag 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: Amaya Browser bdo tag buffer overflow