OpenJDK could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that OpenJDK did not properly validate certain types of images. A remote attacker could exploit this to cause OpenJDK to crash. (CVE-2013-0809)
5 March 2013
A security issue affects these releases of Ubuntu and its derivatives:
OpenJDK could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that OpenJDK did not properly validate certain types of images. A remote attacker could exploit this to cause OpenJDK to crash. (CVE-2013-0809)
It was discovered that OpenJDK did not properly check return values when performing color conversion for images. If a user were tricked into opening a crafted image with OpenJDK, such as with the Java plugin, a remote attacker could cause OpenJDK to crash or execute arbitrary code outside of the Java sandbox with the privileges of the user invoking the program. (CVE-2013-1493)
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.
After a standard system update you need to restart any applications using OpenJDK, such as your browser, to make all the necessary changes.
Vulmon