High Risk Vulnerability in Apple Mac OS X Lion 

27 September 2012

Andy Davis of NCC Group has discovered a High risk vulnerability in Apple OS X Lion v10.7 to v10.7.4, OS X Lion Server v10.7 to v10.7.4.

Impact: Arbitrary Code Execution (bug triggered by USB device insertion)

Versions affected:
Mac OS X Lion v10.7 to v10.7.4, Mac OS X Lion Server v10.7 to v10.7.4

An updated version of the software has been released to address the vulnerability:
http://support.apple.com/kb/HT1222

NCC Group is going to withhold details of this flaw for three months. This three month window will allow users the time needed to apply the patch before the details are released to the general public. This reflects the NCC Group approach to responsible disclosure.

NCC Group Research
http://www.nccgroup.com


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