Firefox Zero-Day Used in Child Porn Hunt?

Krebs on Security Aug 4th 2013
 
A claimed zero-day vulnerability in Firefox 17 has some users of the latest Mozilla Firefox browser (Firefox 22) shrugging their shoulders. Indeed, for now it appears that this flaw is not a concern for regular, up-to-date Firefox end users. But several experts say the vulnerability was instead exposed and used in tandem with a recent U.S. law enforcement effort to discover the true Internet addresses of people believed to be browsing child porn sites via the Tor Browser — an online anonymity tool powered by Firefox 17.
 
Tor software protects users by bouncing their communications across a distributed network of relays run by volunteers all around the world. As the Tor homepage notes, it prevents anyone who might be watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets users access sites that are blocked by Internet censors.

The Tor Browser bundle also is the easiest way to find Web sites that do not want to be easily taken down, such as the Silk Road (a.k.a. the “eBay of hard drugs“) and sites peddling child pornography.

 
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