Check Point Advisories

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

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0376
Date Published:	12 Jan 2014
Severity:	High
Last Updated:	Sunday 14 February, 2016
Source:
Industry Reference:	CVE-2013-7108
Protection Provided by:	Security Gateway R81, R80, R77, R75
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, 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 Nagios core CGI Process_cgivars Off-By-One 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: Nagios core CGI Process_cgivars Off-By-One