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Ubuntu Security Notice USN-2152-1

Ubuntu Security Notice USN-2152-1
Posted Mar 24, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2152-1 - Ning Zhang & Amin Tora discovered that the mod_dav module incorrectly handled whitespace characters in CDATA sections. A remote attacker could use this issue to cause the server to stop responding, resulting in a denial of service. Rainer M Canavan discovered that the mod_log_config module incorrectly handled certain cookies. A remote attacker could use this issue to cause the server to stop responding, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 12.10 and Ubuntu 13.10. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2013-6438, CVE-2014-0098
SHA-256 | 70897e4a151774b44bf8ff4c6dde27469165bc65253008e06cba703d1f29a859

Ubuntu Security Notice USN-2152-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-2152-1
March 24, 2014

apache2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Apache HTTP server could be made to crash if it received specially crafted
network traffic.

Software Description:
- apache2: Apache HTTP server

Details:

Ning Zhang & Amin Tora discovered that the mod_dav module incorrectly
handled whitespace characters in CDATA sections. A remote attacker could
use this issue to cause the server to stop responding, resulting in a
denial of service. (CVE-2013-6438)

Rainer M Canavan discovered that the mod_log_config module incorrectly
handled certain cookies. A remote attacker could use this issue to cause
the server to stop responding, resulting in a denial of service. This issue
only affected Ubuntu 12.04 LTS, Ubuntu 12.10 and Ubuntu 13.10.
(CVE-2014-0098)

Update instructions:

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

Ubuntu 13.10:
apache2.2-bin 2.4.6-2ubuntu2.2

Ubuntu 12.10:
apache2.2-bin 2.2.22-6ubuntu2.4

Ubuntu 12.04 LTS:
apache2.2-bin 2.2.22-1ubuntu1.5

Ubuntu 10.04 LTS:
apache2.2-bin 2.2.14-5ubuntu8.13

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

References:
http://www.ubuntu.com/usn/usn-2152-1
CVE-2013-6438, CVE-2014-0098

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.6-2ubuntu2.2
https://launchpad.net/ubuntu/+source/apache2/2.2.22-6ubuntu2.4
https://launchpad.net/ubuntu/+source/apache2/2.2.22-1ubuntu1.5
https://launchpad.net/ubuntu/+source/apache2/2.2.14-5ubuntu8.13


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