Malformed CFF Vulnerability

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Revision as of 07:26, 12 October 2010 by Lilstevie (talk | contribs) (IOService to IOSurface)
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This vulnerability, along with the IOSurface Kernel Exploit, was used in Star/JailbreakMe 2.0. It is a stack overflow in the handling of CFF opcodes. Contrary to popular belief, it is not a problem with the PDF parser, although the malformed font was placed in a PDF for exploitation.

Credit

comex