Apple OS X WindowServer Memory Corruption Privilege Escalation Vulnerability

ID ZDI-16-431
Type zdi
Reporter e048b7039acc9483d42ca9ef197bd909
Modified 2016-11-09T00:00:00


This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within CoreGraphics. By interacting with PKGTransactionWillSwitchSpaces, an attacker can cause a memory corruption condition. An attacker could leverage this vulnerability to execute arbitrary code under the context of the WindowServer.