Category Archives: DefCon

Firefox Addons Insecure

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Filed under 0day, DefCon, malware
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Unable to attend DefCon this year, I’ve been following it on twitter. There was a talk about how insecure Firefox extensions are.

@ramereth word to the wise: DO NOT trust any firefox extension. assume they can grab and do anything including executing other code #defcon

Just one of many tweets talking about how scary the talk was. So until I can get more information on this, I’m disabling most of my Firefox extensions. Could this be Firefox’s vulnerability equivalent to Internet Explorer’s active-x? Ironically, I’ve been using Google’s Chrome browser lately. I’m liking it more and more. I was just switching back to Firefox because it has a couple extensions I use a lot. But now that they might not be safe, it looks like Chrome is going to be set as my default browser. At least until I find out more about these Firefox extension exploits.

Seeing how this talk was given today, I suspect there will soon be a rash of these exploits and figured I should pass on the info I have even though it’ sketchy at best at this point. To disable your extensions in Firefox, just go to Tools, then addons, then extensions, and uninstall or disable them.