Check Point Advisories

Nagios core CGI Process_cgivars Off-By-One (CVE-2013-7108)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0376
Date Published:	16 Mar 2014
Severity:	High
Last Updated:	Sunday 16 March, 2014
Source:	CVE-2013-7108
Protection Provided by:	Security Gateway R75 and above
Who is Vulnerable?
Vulnerability Description	There exists an Off-By-One flaw in Nagios Core. The problem is caused by improper boundary check when validating the parameters passed to the application. A remote authenticated attacker could exploit this vulnerability by sending a request with a crafted long parameter value resulting in the CGI crash.

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, Protection tab and select the version of your choice.

Security Gateway R70 / R71 / R75 and above

In the IPS tab, click Protections and find the Nagios core CGI Process_cgivars Off-By-One protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Application Servers Protection Violation.
Attack Information:  Nagios core CGI Process_cgivars Off-By-One