Several security issues were fixed in MySQL.
It was discovered that certain builds of MySQL incorrectly handled password authentication on certain platforms. A remote attacker could use this issue to authenticate with an arbitrary password and establish a connection. (CVE-2012-2122)
11 June 2012
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in MySQL.
It was discovered that certain builds of MySQL incorrectly handled password authentication on certain platforms. A remote attacker could use this issue to authenticate with an arbitrary password and establish a connection. (CVE-2012-2122)
MySQL has been updated to 5.5.24 in Ubuntu 12.04 LTS. Ubuntu 10.04 LTS, Ubuntu 11.04 and Ubuntu 11.10 have been updated to MySQL 5.1.63. A patch to fix the issue was backported to the version of MySQL in Ubuntu 8.04 LTS.
In addition to additional security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.
Please see the following for more information:
http://dev.mysql.com/doc/refman/5.5/en/news-5-5-24.html http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html
The problem can be corrected by updating your system to the following package versions:
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.