OS X Exploit Out

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The code takes advantage of a weakness in core parts of Mac OS X and could let a user gain additional privileges. Apple provided a fix for the error-handling mechanism of the kernel last week, but the exploit appears to have been authored before then. "It appears to have been written well before the vulnerability was fixed," said Dino Dai Zovi, a researcher with Matasano Security who was credited by Apple with discovering the flaw when the patch was released. "It appears to be a zero-day exploit and may have been distributed before the patch was released."