[USN-2080-1] Memcached vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2080-1
January 13, 2014

memcached vulnerabilities
==========================================================================

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

- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

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)

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.

References:
  http://www.ubuntu.com/usn/usn-2080-1
  CVE-2011-4971, CVE-2013-0179, CVE-2013-7239

Package Information:
  https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu4.1
  https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu1.13.04.1
  https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu1.12.10.1
  https://launchpad.net/ubuntu/+source/memcached/1.4.13-0ubuntu2.1


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