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TITLE:
Mozilla Firefox Firebug Extension "console.log()" Cross-Context
Scripting

SECUNIA ADVISORY ID:
SA24743

VERIFY ADVISORY:
http://secunia.com/advisories/24743/

CRITICAL:
Highly critical

IMPACT:
Cross Site Scripting, System access

WHERE:
>From remote

SOFTWARE:
Firebug (Extension for Mozilla Firefox) 1.x
http://secunia.com/product/13856/

DESCRIPTION:
pdp has reported a vulnerability in the Firebug extension for Mozilla
Firefox, which can be exploited by malicious people to compromise a
vulnerable system.

Firebug does not properly sanitise input passed to the
"console.log()" function. This can be exploited to e.g. execute
arbitrary script code within the "chrome:" context by tricking a user
into visiting a malicious website.

The vulnerability is reported in versions prior to 1.02.

SOLUTION:
Update to version 1.02.

PROVIDED AND/OR DISCOVERED BY:
pdp

ORIGINAL ADVISORY:
https://addons.mozilla.org/en-US/firefox/addons/versions/1843

http://www.gnucitizen.org/blog/firebug-goes-evil

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