Ubuntu 10.04 LTS / 10.10 / 11.04 : subversion vulnerabilities (USN-1144-1)

Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Joe Schaefer discovered that the Subversion mod_dav_svn module for
Apache did not properly handle certain baselined WebDAV resource
requests. A remote attacker could use this flaw to cause the service
to crash, leading to a denial of service. (CVE-2011-1752)

Ivan Zhakov discovered that the Subversion mod_dav_svn module for
Apache did not properly handle certain requests. A remote attacker
could use this flaw to cause the service to consume all available
resources, leading to a denial of service. (CVE-2011-1783)

Kamesh Jayachandran discovered that the Subversion mod_dav_svn module
for Apache did not properly handle access control in certain
situations. A remote user could use this flaw to gain access to files
that would otherwise be unreadable. (CVE-2011-1921).

Solution :

Update the affected libapache2-svn package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 55107 ()

Bugtraq ID: 48091

CVE ID: CVE-2011-1752
CVE-2011-1783
CVE-2011-1921