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Firefox Cookie Bug

by Marianna Schmudlach / February 15, 2007 12:31 AM PST

There's a new bug reported in the way Firefox handles writes to the 'location.hostname' DOM property. The vulnerability could potentially allow a malicious website to manipulate the authentication cookies for a third-party site. The bug was submitted by Michal Zalewski and was tested with the current version of Firefox.

The bug could allow for the browser to appear as if were connecting to a bank, when in fact it would instead be receiving data from a bad guy.

More: http://www.f-secure.com/weblog/

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