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

Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 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).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

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 : 4.3
(CVSS2#E:ND/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