Ubuntu Security Notice USN-2152-1
24th March, 2014
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
Apache HTTP server could be made to crash if it received specially crafted network traffic.
- apache2 - Apache HTTP server
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.
The problem can be corrected by updating your system to the following package version:
- 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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.