Check Point Advisories

Multiple Antivirus Products RAR Parser MZ Character Sequence Security Bypass - Ver2 (CVE-2012-1443)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1302
Date Published:	31 Mar 2014
Severity:	Medium
Last Updated:	Monday 31 March, 2014
Source:
Industry Reference:	CVE-2012-1443
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A security bypass vulnerability has been reported in multiple antivirus products. An attacker could exploit this vulnerability via a RAR file with an initial MZ character sequence. Successful exploitation of this vulnerability would allow remote attackers to bypass security tests and protocols on the affected system.

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 Multiple Antivirus Products RAR Parser MZ Character Sequence Security Bypass - Ver2 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: Malware Traffic.
Attack Information: Multiple Antivirus Products RAR Parser MZ Character Sequence Security Bypass - Ver2