Apple OS X WindowServer _XRegisterCursorWithData Memory Corruption Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the CoreGraphics module. The issue lies in the failure to properly validate user-supplied data which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges under the context of WindowServer.
Additional Details
Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT206903
Disclosure Timeline
- 2016-06-14 - Vulnerability reported to vendor
- 2016-12-15 - Coordinated public release of advisory
Credit
aca055c25829115b84ad07e72a4eff16
