Description
KisKrnl.sys 2011.1.13.89 and earlier in Kingsoft AntiVirus 2011 SP5.2 allows local users to cause a denial of service (crash) via a crafted request that is not properly handled by the KiFastCallEntry hook.
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
- Kingsoft AntiVirus 2011 SP5.2 'KisKrnl.sys' 2011.1.13.89 - Local Kernel Mode Denial of Service EDB-15998 · dos · Jan 16, 2011
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20110116 Kingsoft AntiVirus 2011 SP5.2 KisKrnl.sys <= 2011.1.13.89 Local Kernel Mode D.O.S Exploit(3 lines of code) mailing-list
- kingsoft-kiskrnl-dos(64723) vdb-entry
- 42937 third-party-advisory
- 15998 exploit
- 45821 vdb-entry