Check Point Advisories

Adobe Shockwave Director tSAC Chunk Parsing Memory Corruption (CVE-2010-2866)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-407
Date Published:	4 Oct 2010
Severity:	High
Last Updated:	Monday 04 October, 2010
Source:
Industry Reference:	CVE-2010-2866
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Adobe Shockwave is a multimedia player that allows Adobe Director applications to be published on the Internet and viewed in a web browser by anyone who has the Shockwave plug-in installed. A remote code execution vulnerability has been identified in Adobe Shockwave Player. The vulnerability is due to a signedness error while parsing tSAC chunks in Adobe Director files. By providing a certain negative value, calculation of a pointer may lead to a memory corruption. A remote attacker can exploit this issue by enticing a user to open a malicious DIR file. Successful exploitation of this vulnerability would allow arbitrary code execution.

Protection Overview

This protection detects and blocks the transferring of malformed Adobe DIR files over HTTP.

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 Adobe Shockwave Director tSAC Chunk Parsing Memory Corruption 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 Shockwave Protection Violation.
Attack Information: Adobe Shockwave Director tSAC chunk parsing memory corruption