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Mozilla Firefox 1.0.1 Javascript Images are Draggable
From: Paul (paul
greyhats.cjb.net)
Date: Fri Feb 25 2005 - 23:12:47 CST
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Author: Paul
Affected Software: Mozilla Firefox 1.0.0, 1.0.1 (tested only on these versions)
Risk: Low/Medium
A minor security vulnerability exists in the way that Firefox handles cross-domain image dragging. Dragging an image into the address bar will cause Firefox to navigate to the image url even if it is a javascript url and the page to be navigated from is in a different domain than the page on which the image is shown. This may potentially allow attackers to steal cookies, etc.
A proof of concept is available at
http://greyhatsecurity.org/vulntests/firefox.htm
Vendor Reccomendations:
Disable dragging images with javascript urls.
User Reccomendations:
Do not drag images into the address bar.
Paul
http://greyhatsecurity.org
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