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mozilla -- code execution through javascript: favicons

Description:

A Mozilla Foundation Security Advisory reports:

Firefox and the Mozilla Suite support custom "favicons" through the <LINK rel="icon"> tag. If a link tag is added to the page programmatically and a javascript: url is used, then script will run with elevated privileges and could run or install malicious software.

Workaround: Disable Javascript

References:

Affects:

portaudit: mozilla -- code execution through javascript: favicons

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.


Oliver Eikemeier <eik@FreeBSD.org>