Description
The IOAccelSharedUserClient2::page_off_resource method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Apple Mac OSX Kernel - NULL Dereference in IOAccelSharedUserClient2::page_off_resource EDB-39924 · dos · Jun 10, 2016 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 39924 exploit
- https://support.apple.com/HT206567
- APPLE-SA-2016-05-16-4 vendor-advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=778
- https://support.apple.com/HT206566
- 90694 vdb-entry
- APPLE-SA-2016-05-16-3 vendor-advisory
- https://support.apple.com/HT206564
- http://packetstormsecurity.com/files/137400/OS-X-IOAccelSharedUserClient2-page_off_resource-NULL-Pointer-Dereference.html
- 1035890 vdb-entry
- APPLE-SA-2016-05-16-2 vendor-advisory
- https://support.apple.com/HT206568
- APPLE-SA-2016-05-16-1 vendor-advisory