Check Point Advisories

Adobe Reader and Acrobat PDF file IFF RGBA Buffer Overflow (APSB11-24; CVE-2011-2436)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-417
Date Published:	20 Sep 2011
Severity:	High
Last Updated:	Tuesday 20 September, 2011
Source:
Industry Reference:	CVE-2011-2436
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	A heap buffer overflow vulnerability has been reported in Adobe Acrobat and Reader. The vulnerability is due to insufficient bounds checking while parsing an IFF image header. A remote attacker may exploit this vulnerability by enticing an unsuspecting user to open a malicious PDF document file. Successful exploitation would allow an attacker to execute code in the target system, in the security context of the logged-on user.

Protection Overview

This protection will detect and block the transferring of malicious PDF 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 / R71 / R70

In the IPS tab, click Protections and find the Adobe Reader and Acrobat PDF file IFF RGBA Buffer Overflow (APSB11-24) 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: Adobe Reader Violation.
Attack Information: Adobe Reader and Acrobat PDF file IFF RGBA buffer overflow (APSB11-24)