Ubuntu Security Notice USN-2080-1
13th January, 2014
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Several security issues were fixed in Memcached.
- memcached - A high-performance memory object caching system
Stefan Bucur discovered that Memcached incorrectly handled certain large
body lengths. A remote attacker could use this issue to cause Memcached to
crash, resulting in a denial of service. (CVE-2011-4971)
Jeremy Sowden discovered that Memcached incorrectly handled logging certain
details when the -vv option was used. An attacker could use this issue to
cause Memcached to crash, resulting in a denial of service. (CVE-2013-0179)
It was discovered that Memcached incorrectly handled SASL authentication.
A remote attacker could use this issue to bypass SASL authentication
completely. This issue only affected Ubuntu 12.10, Ubuntu 13.04 and Ubuntu
The problem can be corrected by updating your system to the following package version:
- Ubuntu 13.10:
- memcached 1.4.14-0ubuntu4.1
- Ubuntu 13.04:
- memcached 1.4.14-0ubuntu1.13.04.1
- Ubuntu 12.10:
- memcached 1.4.14-0ubuntu188.8.131.52
- Ubuntu 12.04 LTS:
- memcached 1.4.13-0ubuntu2.1
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.