It was discovered that Smarty did not correctly filter certain math inputs. A remote attacker using Smarty via a web service could exploit this to execute subsets of shell commands as the web server user.
The problem can be corrected by updating your system to the following package versions:
24 June 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Smarty did not correctly filter certain math inputs. A remote attacker using Smarty via a web service could exploit this to execute subsets of shell commands as the web server user.
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 upgrade is sufficient to effect the necessary changes.
Vulmon