Check Point Advisories

libav LZO Integer Overflow (CVE-2014-4609)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1721
Date Published:	27 Jul 2014
Severity:	Medium
Last Updated:	Tuesday 29 July, 2014
Source:
Industry Reference:	CVE-2014-4609
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Libav Team libav prior to 0.8.13 Libav Team libav prior to 10.2 Libav Team libav prior to 9.14
Vulnerability Description	A code execution vulnerability exists in the libav library. The vulnerability is due to an integer overflow while processing literal runs in the LZO compressed data. A remote unauthenticated attacker could exploit this vulnerability by enticing a target user to open a crafted file with an application using affected libraries.

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 / R77 / R75

In the IPS tab, click Protections and find the libav LZO Integer 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: Application Intelligence.
Attack Information: libav LZO Integer Overflow