A security researcher from WeAreSegment, Filippo Cavallarin, has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.
Apple has been notified on the 27th of June 2017, several correspondences were exchanged. Apple notified us that a patch has been put in place in the upcoming High Sierra version. No additional information has been provided by Apple since the notification that a patch has been made – no link to the advisory nor any information on what CVE has been assigned to this have been provided.
We have verified that Mac OS X High Sierra is no longer vulnerable to this, a solution would be to either upgrade High Sierra, or remove the rhtmlPlayer.html file (a workaround).
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