Check Point Advisories

Adobe Products JBIG2 Stream Buffer Overflow (CVE-2009-0658)

Check Point Reference: CPAI-2009-050
Date Published: 23 Mar 2009
Severity: High
Last Updated: 17 Feb 2016
Industry Reference:CVE-2009-0658
Protection Provided by:

Security Gateway
R80, R77, R76, R75, R71, R70

Who is Vulnerable?
Vulnerability Description Portable Document Format (PDF) is an open file format created by Adobe Systems. It is used for representing two-dimensional documents in a device and resolution independent fixed-layout document format.A buffer overflow vulnerability has been reported in Adobe Reader and Acrobat when handling PDF files that contain a JBIG2 stream.The vulnerability is due to errors in Adobe products that fail to sufficiently validate input when processing embedded JBIG2 streams within PDF documents. A remote attacker could trigger this flaw via a specially crafted PDF file. Successful exploitation allows execution of arbitrary code once a malicious PDF file is loaded on a vulnerable system and may cause the affected Acrobat application to crash.

Protection Overview

This protection will detect and block PDF files that contain embedded malformed JBIG2 streams.

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 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Adobe Products JBIG2 Stream Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Adobe products JBIG2 stream buffer overflow

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