17 Sep 2002
Security experts have identified a "serious privacy leak" in the Mozilla web browser.
A glitch in the browser code reveals the URL of the site you are currently visiting to the web server you visited last. This means that anyone viewing the server logs can track where a user goes after they have visited that server.
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Mozilla-based browsers, such as Netscape 7 and Linux browser Galeon, are also known to be affected.
According to software architect Sven Neuhaus, who discovered the flaw, the bug also picks up URLs entered manually or picked from bookmarks.
Neuhaus said that the bug is a couple of months old and that the Mozilla crew are aware of it. "I'm disclosing this vulnerability to hopefully initiate the fixing process," he said.
As yet Mozilla has not released a patch, but Neuhaus said that a workaround for the security-conscious is to disable Javascript in the browser.
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