Check Point Advisories

Novell File Reporter Agent XML Parsing Stack Buffer Overflow (CVE-2011-0994)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-330
Date Published:	28 Jun 2011
Severity:	High
Last Updated:	Tuesday 05 July, 2011
Source:
Industry Reference:	CVE-2011-0994
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A stack buffer overflow vulnerability has been reported in the Agent component of Novell File Reporter. The vulnerability is due to improper boundary checks of user-supplied NAME tags in the input XML. The vulnerability is triggered upon parsing of a malicious XML tag with overly long content. Successful exploitation could allow the attacker to execute arbitrary code using the privileges of the SYSTEM or crash the application resulting in a denial of service condition.

Protection Overview

This protection detects and blocks specially crafted HTTPS requests sent to the vulnerable server.

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 Novell File Reporter Agent XML Parsing Stack Buffer Overflow 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: Application Servers Protection Violation.
Attack Information: Novell File Reporter Agent XML parsing stack buffer overflow