Article LinkA flaw has been discovered in the popular open-source browser Firefox that could expose sensitive information stored in memory, Secunia has warned.
Firefox versions 1.0.1 and 1.0.2 contain the vulnerability, the security information company said in an advisory on Monday. The flaw stems from an error in the JavaScript engine that can expose arbitrary amounts of heap memory after the end of a JavaScript string. As a result, an exploit may disclose sensitive information in the memory, Secunia said.
"Unlike other browser flaws, this one is not subject to phishing or access to the system. But it can expose sensitive information from other Web sites you visited and the information you entered there," said Thomas Kristensen, Secunia chief technology officer.
There is a test that allows people to see whether their system is affected by the vulnerability. It can be found here if you want to check your system. It's not cool seeing your memory exposed!
At the same time you are playing with this you might want to make sure you have the latest build (1.0.2) of Mozilla and also download this beta patch for Firefox that it claims improves the blocking of pop-up ads in this news article. Once you've done all that you should be good to go!