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Computing News | Researcher reveals critical Java bugs in Nokia phones

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Posted by: Tweaker
Date added: 21:52 Monday, 11th August 2008 GMT
Source: Computer World News

A pair of critical vulnerabilities in Sun Microsystems Inc.'s Java technology for mobile devices could be used by hackers to surreptitiously make calls, record conversations and access information on Nokia Series 40 cell phones, a Polish researcher said today.

Adam Gowdiak, a researcher who has found numerous bugs in Java 2 Micro Edition (J2ME) in the past, said he reported the two vulnerabilities to Sun last Thursday and notified Nokia the same day of the security issues in its handsets.

However, Gowdiak is taking a disclosure tack he admitted will be controversial. He has provided the vendors with only a small subset of the information he has uncovered approximately one to two pages' worth. To obtain the remainder, which includes proof-of-concept code, Sun or Nokia will have to pony up 20,000 ($29,826 U.S. at Monday's exchange rate).

The flaws can be used by attackers to force-feed malicious Java applications to Nokia Series 40 phones, said Gowdiak. Those applications, in turn, could be crafted to conduct all kinds of mischief, including making phone calls from the phone, sending text messages from the phone, and recording audio or video. Hackers could also access any file on a Nokia 40 model phone, obtain read-and-write access to its contact list, access its SIM card and more, added Gowdiak.

"This can completely wipe out any security within J2ME," said Gowdiak in an interview Monday. "It allows [attackers"> to do anything malicious on any mobile device."

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