An attacker could send crafted input to Postfix and cause it to crash or
- postfix: High-performance mail transport agent
Thomas Jarosch discovered that Postfix incorrectly handled authentication
mechanisms other than PLAIN and LOGIN when the Cyrus SASL library is used.
A remote attacker could use this to cause Postfix to crash, leading to a
denial of service, or possibly execute arbitrary code as the postfix user.
The problem can be corrected by updating your system to the following
Ubuntu 10.04 LTS:
Ubuntu 8.04 LTS:
Ubuntu 6.06 LTS:
In general, a standard system update will make all the necessary changes.