Apple OS X WindowServer Type Confusion Privilege Escalation Vulnerability

ID ZDI-16-433
Type zdi
Reporter aca055c25829115b84ad07e72a4eff16
Modified 2016-06-22T00:00:00


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 _XSetDictionaryForCurrentSession, an attacker can cause a type confusion condition. An attacker could leverage this vulnerability to execute arbitrary code under the context of the WindowServer.