Check Point Advisories

Monkey HTTPD Header Parsing Denial of Service (CVE-2013-3843)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-2168
Date Published:	1 Sep 2013
Severity:	High
Last Updated:	Monday 06 January, 2025
Source:	CVE-2013-3843
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Monkey HTTPD Server v1.2.0 and prior.
Vulnerability Description	A denial of service vulnerability has been reported in Monkey HTTPD Server.

Protection Overview

This protection will detect and block specially crafted HTTP requests sent to the server.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Monkey HTTPD Header Parsing Denial of Service 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: Web Server Enforcement Violation
Attack Information: Monkey HTTPD Header Parsing Denial of Service