Check Point Advisories

Apache HTTP Server mod_dav MERGE Request Denial of Service (CVE-2013-1896)

Check Point Reference: CPAI-2013-2746
Date Published: 1 Sep 2013
Severity: High
Last Updated: Friday 29 March, 2024
Source: CVE-2013-1896
Protection Provided by:

Security Gateway
R75

Who is Vulnerable? Apache Software Foundation HTTP Server prior to 2.2.25
Apache Software Foundation HTTP Server prior to 2.4.6
Vulnerability Description A denial of service vulnerability has been reported in the mod_dav component of Apache HTTP Server.
Vulnerability DetailsThevulnerability is due to a NULL pointer dereference when processing a MERGE request with a URI whose source href points to a non-DAV configured URI.A remote attacker can send a crafted HTTP request to trigger the vulnerability and cause the HTTP server daemon process to segfault, creating a denial of service condition.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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

  1. In the IPS tab, click Protections and find the Apache HTTP Server mod_dav MERGE Request Denial of Service protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Apache Server Protection Violation
Attack Information: Apache HTTP Server mod_dav MERGE Request Denial of Service

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