[USN-1988-1] Cyrus SASL vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-1988-1
October 09, 2013

cyrus-sasl2 vulnerability
==========================================================================

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

- Ubuntu 13.04

Summary:

Cyrus SASL could be made to crash if it processed specially crafted input.

Software Description:
- cyrus-sasl2: Cyrus Simple Authentication and Security Layer

Details:

It was discovered that Cyrus SASL incorrectly handled certain invalid
password salts. An attacker could use this issue to cause Cyrus SASL to
crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 13.04:
  libsasl2-2                      2.1.25.dfsg1-6ubuntu0.1

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1988-1
  CVE-2013-4122

Package Information:
  https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.25.dfsg1-6ubuntu0.1


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