Check Point Advisories

GNOME Project libxslt Library RC4 Key String Buffer Overflow (CVE-2008-2935)

Check Point Reference: CPAI-2008-325
Date Published: 11 Mar 2010
Severity: High
Last Updated: Sunday 14 February, 2016
Source:
Industry Reference:CVE-2008-2935
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description XSLT is an XML language to define transformation for XML. XSLT is designed for use as part of XSL, which is a stylesheet language for XML. In addition to XSLT, XSL includes an XML vocabulary for specifying formatting. There exists a heap based buffer overflow vulnerability in RC4 libxslt library
extension. This vulnerability can be exploited using a crafted stylesheet leading to a heap-based buffer overflow, which could allow the attacker to execute arbitrary code with privileges of the application using the libxslt library to perform XSL transformations. In an attack case where code injection is successful, the behaviour of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the current user. In the case of an unsuccessful code execution attack, the affected application may terminate abnormally.

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

  1. In the IPS tab, click Protections and find the GNOME Project libxslt Library RC4 Key String Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  GNOME Project libxslt Library RC4 Key String buffer overflow

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