[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Full-disclosure] Firefox cross-domain image theft (CESA-2008-009)
- To: full-disclosure@xxxxxxxxxxxxxxxxx, bugtraq@xxxxxxxxxxxxxxxxx
- Subject: [Full-disclosure] Firefox cross-domain image theft (CESA-2008-009)
- From: "Chris Evans" <scarybeasts@xxxxxxxxx>
- Date: Tue, 18 Nov 2008 13:26:13 -0800
Hi,
Firefox 2.0.0.18 fixes a cross-domain theft of image data. Firefox 3
unaffected. It's another interesting case where a redirector confuses the
browser about the true origin of a piece of content. If evil.org hosts a
redirector, e.g. evil.org/redir, and an image is loaded via this redirector,
the image will be treated as a same-domain image. In this event, the image
pixel data may easily be stolen by rendering the image to a canvas and using
the getImageData() JavaScript API.
Advisory: http://scary.beasts.org/security/CESA-2008-009.html
Blog post:
http://scarybeastsecurity.blogspot.com/2008/11/firefox-cross-domain-image-theft-and.html
Cheers
Chris
_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/