Ubuntu 12.10, 13.04, 13.10: USN-2080-1 Moderate: Memcached DoS

ubuntu

January 13, 2014

Several security issues were fixed in Memcached.

Summary

Several security issues were fixed in Memcached.

Software Description:

- memcached: A high-performance memory object caching system

Details:

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

13.10. (CVE-2013-7239)

Topics Covered

security advisory denial of service patch system update ubuntu memcached

Update Instructions

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

Ubuntu 13.10:
  memcached                       1.4.14-0ubuntu4.1

Ubuntu 13.04:
  memcached                       1.4.14-0ubuntu1.13.04.1

Ubuntu 12.10:
  memcached                       1.4.14-0ubuntu1.12.10.1

Ubuntu 12.04 LTS:
  memcached                       1.4.13-0ubuntu2.1

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