Check Point Advisories

Snort Back Orifice Pre-Processor Buffer Overflow - Improved Performance (CVE-2005-3252)

Vulnerability
Protection

Check Point Reference:	CPAI-2005-315
Date Published:	4 Apr 2013
Severity:	Critical
Last Updated:	Thursday 12 March, 2015
Source:
Industry Reference:	CVE-2005-3252
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow exists in Snort product. The flaw is caused by an insufficient boundary checks in the handling of Back Orifice messages. An attacker may leverage this vulnerability to execute arbitrary code in the security context of the affected product, normally root. In case of an attack where code injection and execution is successful, the behaviour of the target host is dependent on the intended purpose of the malicious code. Any code injected would run in the privileges of the affected product, normally root on Unix-like systems. In case of an attack where code injection is not successful, the vulnerable application may terminate as a result of the attack attempt.

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 Snort Back Orifice Pre-Processor Buffer Overflow - Improved Performance 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: Security Products Enforcement Violation.
Attack Information: Snort Back Orifice Pre-Processor Buffer Overflow - Improved Performance