Description
The ktimer feature (sys/kern/kern_time.c) in FreeBSD 7.0, 7.1, and 7.2 allows local users to overwrite arbitrary kernel memory via an out-of-bounds timer value.
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
- FreeBSD 7.0/7.1 - 'ktimer' Local Privilege Escalation EDB-8261 · local · Mar 23, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- FreeBSD-SA-09:06 vendor-advisory
- 8261 exploit
- 1021882 vdb-entry
- freebsd-ktimer-memory-overwrite(49362) vdb-entry
- 34196 vdb-entry