A denial of service flaw was found in the way mod_dav_svn module of Subversion (SVN), a concurrent version control system, used to process certain MOVE, COPY, or DELETE HTTP requests (requests that originated or targeted against a revision root). A remote attacker, with commit access / privileges could use this flaw to cause denial of service (depending on the Apache httpd web server configuration either child assertion failure or crash [prefork MPM configuration] or failure to handle other requests, originally scheduled to be handled within the same thread [threaded MPM configuration] due to a process termination) by issuing a specially-crafted SVN commit request.
Vulnerable package versions:
* Subversion HTTPD servers 1.7.0 through 1.7.10 (inclusive)
* Subversion HTTPD servers 1.8.0 (including 1.8.0 release candidates).
* svnserve (any version) is not vulnerable.
* Subversion 1.6.x is not vulnerable.
This issue did NOT affect the versions of the subversion package, as shipped with Red Hat Enterprise Linux 5 and 6.
This issue affects the versions of the subversion package, as shipped with Fedora release of 17, 18, and 19.
Not vulnerable. This issue did not affect the versions of subversion, as shipped with Red Hat Enterprise Linux 5 and 6.
Red Hat would like to thank Ben Reser of Apache Subversion project for reporting this issue. Upstream acknowledges Daniel Shahaf of Apache Infrastructure as the original issue reporter.
Created subversion tracking bugs for this issue:
Affects: fedora-all [bug 988145]
subversion-1.7.11-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.
subversion-1.7.11-1.fc18.1 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.