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Adobe Flash Player ActionScript Recursive StackOverflowError (APSB11-26; CVE-2011-2426)

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Check Point Reference: CPAI-2011-468
Date Published:
Severity:
Source: Adobe Security Bulletin APSB11-26
Industry Reference(s): CVE-2011-2426
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Adobe Flash Player
Vulnerability Description
A stack buffer overflow vulnerability has been reported in Adobe Flash Player.
Update/Patch Available
Apply patches from:
APSB11-26
Vulnerability Details
The vulnerability is due to an error in the ActionScript Virtual Machine (AVM) while handling malicious Flash files. A remote attacker may exploit this vulnerability by enticing an unsuspecting user to open a web-page containing specially crafted Flash files. Successful exploitation may allow an attacker to take complete control of an 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, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?
1. In the IPS tab, click Protections and find the Adobe Flash Player ActionScript Recursive StackOverflowError (APSB11-26) protection using the Search tool and Edit the protection's settings.
2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: Adobe Products Violation
Attack Information: Adobe Flash Player ActionScript recursive StackOverflowError (APSB11-26)