Check Point Advisories

Apache Subversion mod_dav_svn Integer Overflow (CVE-2015-5343)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0204
Date Published:	15 Mar 2016
Severity:	High
Last Updated:	Tuesday 22 March, 2016
Source:	Apache Software Foundation
Industry Reference:	CVE-2015-5343
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apache Software Foundation Subversion 1.7.0 to 1.8.14 Apache Software Foundation Subversion 1.9.0 to 1.9.2
Vulnerability Description	Heap overflow and out-of-bounds read vulnerabilities have been reported in the mod_dav_svn of Apache Subversion web servers. These vulnerabilities are caused by an integer overflow when parsing certain encoded requests. A remote, authenticated attacker could exploit this vulnerability by sending specially crafted request that could lead to code execution under context of the httpd process, as well as denial of service.

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 Apache Subversion mod_dav_svn Integer 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: Apache Server Protection Violation.
Attack Information: Apache Subversion mod_dav_svn Integer Overflow