Description
The xpc_data_get_bytes function in libxpc in Apple OS X before 10.10.2 does not verify that a dictionary's Attributes key has the xpc_data data type, which allows attackers to execute arbitrary code by providing a crafted dictionary to sysmond, related to an "XPC type confusion" issue.
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.
Exploit-DB 1
- Apple Mac OSX 10.9.x - sysmond XPC Privilege Escalation EDB-35742 · local · Jan 10, 2015
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://packetstormsecurity.com/files/135701/OS-X-Sysmond-XPC-Type-Confusion-Privilege-Escalation.html
- 1031650 vdb-entry
- 35742 exploit
- http://support.apple.com/HT204244
- https://code.google.com/p/google-security-research/issues/detail?id=121
- 71992 vdb-entry
- macosx-cve20148835-priv-esc(100530) vdb-entry
- APPLE-SA-2015-01-27-4 vendor-advisory