PHP could be made to expose sensitive information over the network.
It was discovered that PHP incorrectly handled XML external entities in SOAP WSDL files. A remote attacker could use this flaw to read arbitrary files off the server.
13 March 2013
A security issue affects these releases of Ubuntu and its derivatives:
PHP could be made to expose sensitive information over the network.
It was discovered that PHP incorrectly handled XML external entities in SOAP WSDL files. A remote attacker could use this flaw to read arbitrary files off the server.
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.