Bluetooth vulnerability invites mobile worm
Tuesday, 3 August 2004 16:30 EST
For the past year, mobile phone vendors have been trying to fix several Bluetooth security vulnerabilities that could allow hackers to create an MSBlast-type worm that spreads from handset to handset without any user intervention.
Bluetooth has suffered a number of security alerts over the past year ranging from the relatively harmless to the incredibly serious. The first known Bluetooth vulnerability was the Cabir worm, which was discovered a month ago. The security problems do not seem to stem from the Bluetooth standard itself, but rather the way in which handset manufacturers have implemented the technology.
Mikko Hyppönen, director of antivirus research at Finnish firm F-Secure, said an MSBlast or Sasser-style worm spreading between Bluetooth devices becomes possible if handsets can be made to accept and execute a file without first asking the user for permission.
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