Description
Integer overflow in the load_threadstack function in the Mach-O loader (mach_loader.c) in the xnu kernel in Apple Mac OS X 10.4 through 10.5.1 allows local users to cause a denial of service (infinite loop) via a crafted Mach-O binary.
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 xnu 1228.0 - 'mach-o' Local Kernel Denial of Service (PoC) EDB-4689 · dos · Dec 4, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 27884 third-party-advisory
- macos-loadthreadstack-dos(38854) vdb-entry
- 26700 vdb-entry
- http://www.digit-labs.org/files/exploits/xnu-macho-dos.c
- ADV-2007-4095 vdb-entry