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NoScript and other popular Firefox add-ons open millions ..

by Carol~ Moderator / April 5, 2016 8:11 PM PDT
.. to new attack

NoScript, Firebug, and other popular Firefox add-on extensions are opening millions of end users to a new type of attack that can surreptitiously execute malicious code and steal sensitive data, a team of researchers reported.

The attack is made possible by a lack of isolation in Firefox among various add-ons installed by an end user. The underlying weakness has been described as an extension reuse vulnerability because it allows an attacker-developed add-on to conceal its malicious behavior by invoking the capabilities of other add-ons. Instead of directly causing a computer to visit a booby-trapped website or download malicious files, the add-on exploits vulnerabilities in popular third-party add-ons that allow the same nefarious actions to be carried out. Nine of the top 10 most popular Firefox add-ons contain exploitable vulnerabilities.

Continued: http://arstechnica.com/security/2016/04/noscript-and-other-popular-firefox-add-ons-open-millions-to-new-attack/

Related:
Firefox Add-On Flaw Leaves Apple And Windows Computers Open To Attack
https://threatpost.com/firefox-add-on-flaw-leaves-apple-and-windows-computers-open-to-attack/117183/
Top Firefox extensions can hide silent malware using easy pre-fab tool
http://www.theregister.co.uk/2016/04/04/top_firefox_extensions_can_hide_silent_malware_using_easy_prefab_tool/
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