USN-1893-1: Subversion vulnerabilities

Releases

• Ubuntu 13.04
• Ubuntu 12.10
• Ubuntu 12.04

Packages

• subversion - Advanced version control system

Details

Alexander Klink discovered that the Subversion mod_dav_svn module for
Apache did not properly handle a large number of properties. A remote
authenticated attacker could use this flaw to cause memory consumption,
leading to a denial of service. (CVE-2013-1845)

Ben Reser discovered that the Subversion mod_dav_svn module for
Apache did not properly handle certain LOCKs. A remote authenticated
attacker could use this flaw to cause Subversion to crash, leading to a
denial of service. (CVE-2013-1846)

Philip Martin and Ben Reser discovered that the Subversion mod_dav_svn
module for Apache did not properly handle certain LOCKs. A remote
attacker could use this flaw to cause Subversion to crash, leading to a
denial of service. (CVE-2013-1847)

It was discovered that the Subversion mod_dav_svn module for Apache did not
properly handle certain PROPFIND requests. A remote attacker could use this
flaw to cause Subversion to crash, leading to a denial of service.
(CVE-2013-1849)

Greg McMullin, Stefan Fuhrmann, Philip Martin, and Ben Reser discovered
that the Subversion mod_dav_svn module for Apache did not properly handle
certain log REPORT requests. A remote attacker could use this flaw to cause
Subversion to crash, leading to a denial of service. This issue only
affected Ubuntu 12.10 and Ubuntu 13.04. (CVE-2013-1884)

Stefan Sperling discovered that Subversion incorrectly handled newline
characters in filenames. A remote authenticated attacker could use this
flaw to corrupt FSFS repositories. (CVE-2013-1968)

Boris Lytochkin discovered that Subversion incorrectly handled TCP
connections that were closed early. A remote attacker could use this flaw
to cause Subversion to crash, leading to a denial of service.
(CVE-2013-2112)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 13.04

• libapache2-svn - 1.7.5-1ubuntu3.1
• libsvn1 - 1.7.5-1ubuntu3.1

Ubuntu 12.10

• libapache2-svn - 1.7.5-1ubuntu2.1
• libsvn1 - 1.7.5-1ubuntu2.1

Ubuntu 12.04

• libapache2-svn - 1.6.17dfsg-3ubuntu3.3
• libsvn1 - 1.6.17dfsg-3ubuntu3.3

In general, a standard system update will make all the necessary changes.

References

• CVE-2013-1845
• CVE-2013-1846
• CVE-2013-1847
• CVE-2013-1849
• CVE-2013-1884
• CVE-2013-1968
• CVE-2013-2112