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Apache Subversion < 1.6.21 / 1.7.x < 1.7.9 Multiple DoS

Medium

Synopsis

The remote host is running a version of Apache Subversion that is affected by multiple denial of service (DoS) vulnerabilities.

Description

Versions of Apache Subversion prior to 1.6.21, or 1.7.x prior to 1.7.9 are vulnerable to the following vulnerabilities in the 'mod_dav_svn' Apache HTTPD server module :

- A flaw exists in the 'mod_dav_svn' that is triggered when handling node properties. (CVE-2013-1845) - A NULL pointer dereference exists in the 'mod_dav_svn' module, triggered during the handling of a crafted Log REPORT request, URL lock request, LOCK request against non-existent URL, and URL PROPFIND request. (CVE-2013-1846, CVE-2013-1847, CVE-2013-1849) - A NULL pointer dereference exists in the 'mod_dav_svn' module, triggered during the handling of a crafted Log REPORT request. This flaw reportedly affects Apache Subversion 1.7.x only. (CVE-2013-1884).

Solution

Upgrade to Apache Subversion 1.7.9 or later. If 1.7.x cannot be obtained, 1.6.21 is also patched for these vulnerabilities.