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Ubuntu Security Notice USN-2152-1
March 24, 2014

apache2 vulnerabilities
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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