Apache HTTP Server mod_dav MERGE Request Denial of Service (CVE-2013-1896)
|Check Point Reference:||CPAI-2013-2746|
|Source:||Apache Advisory SA54241|
|Protection Provided by:||
Who is Vulnerable?
Apache Software Foundation HTTP Server prior to 2.2.25
Apache Software Foundation HTTP Server prior to 2.4.6
A denial of service vulnerability has been reported in the mod_dav component of Apache HTTP Server.
Thevulnerability 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.
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.
To configure the defense, select your product from the list below and follow the related protection steps.
Security Gateway R75 / R71 / R70
How Can I Protect My Network?
- 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.
- Install policy on all modules.
How Do I Know if My Network is Under Attack?
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