Check Point Advisories

Tripwire Format String (CVE-2004-0536)

Vulnerability
Protection

Check Point Reference:	CPAI-2004-149
Date Published:	18 May 2010
Severity:	Medium
Last Updated:	Tuesday 18 May, 2010
Source:
Industry Reference:	CVE-2004-0536
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Tripwire is a software tool that checks file system changes on a target system. Tripwire scans file systems for changes and can be configured to send an email report with the scan details. There is a format string vulnerability in the implementation of the C++ class cPipedMailMessage in Tripwire. There is a format string vulnerability in Tripwire. Upon encountering a file with a specially crafted name during such a scan, the format string vulnerability is triggered. It is possible for an attacker to run arbitrary code in the privilege of root, which is the default user account that runs Tripwire. There are numerous ways for a remote attacker to create a file with such a malicious name. In case of an attack where code injection and execution is successful, the behavior of the target depends on the intended purpose of the injected code. In case of an attack where code injection is not successful, the target will 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

In the IPS tab, click Protections and find the Tripwire Format String 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: FTP Enforcement Violation.
Attack Information: Tripwire format string