Flaws could expose users of privacy-protecting software, researchers say

Jul 24 2014, 12:49 IST
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The most recent finding concerns a complex, heavily encrypted networking program called the Invisible Internet Project, or I2P The most recent finding concerns a complex, heavily encrypted networking program called the Invisible Internet Project, or I2P
SummaryThe most recent finding concerns a complex, heavily encrypted networking program called the Invisible Internet Project, or I2P

Researchers have found a flaw that could expose the identities of people using a privacy-oriented operating system touted by Edward Snowden, just two days after widely used anonymity service Tor acknowledged a similar problem.

The most recent finding concerns a complex, heavily encrypted networking program called the Invisible Internet Project, or I2P. Used to send messages and run websites anonymously, I2P ships along with the specialized operating system "Tails," which former U.S. spy contractor Snowden used to communicate with journalists in secret.

Though a core purpose of I2P is to obscure the Internet Protocol addresses of its roughly 30,000 users, anyone who visits a booby-trapped website could have their true address revealed, making it likely that their name could be exposed as well, according to researchers at Exodus Intelligence.

"People shouldn't trust something wholeheartedly just because Snowden says," Exodus Vice President Aaron Portnoy told Reuters. "Generally, we assume the things we can find, others can find."

Tails launches from a DVD or USB stick and is designed to maintain privacy even when a computer or network has been hacked.

Much more than I2P, Tails relies on Tor, the better-known anonymity system that it uses for all software connections to the Internet. But leaks in the past year have shown that Tor is also a major target for the U.S. National Security Agency and others, and researchers at Carnegie Mellon University said they could have identified hundreds of thousands of Tor users.

Those researchers planned to detail their technique next month at the security conference Black Hat. After Tor developers complained to Carnegie Mellon, the university told Black Hat to cancel the talk.

Tor programmer Roger Dingledine conceded that the researchers had found a flaw, and he said his team was now working to fix it before any public disclosure exposes dissidents and other types of users on Tor to greater risk of attack.

The I2P flaw will likewise be fixed. A spokesman for the I2P project said the group of developers was still analyzing the Exodus report.

Tails did not respond to an email seeking comment. It was not clear how many Tails users would have been vulnerable without Exodus' cooperation, since the I2P application does not launch automatically when the operating system is opened.

Exodus is one of a dozen or more companies known to sell secret security flaws to intelligence agencies, law enforcement and other customers in a controversial marketplace.

NO SYSTEM IS FAILSAFE

But in this case, Exodus alerted

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