Description
KAVSafe.sys 2010.4.14.609 and earlier, as used in Kingsoft Webshield 3.5.1.2 and earlier, allows local users to overwrite arbitrary kernel memory via a crafted request to IOCTL 0x830020d4 on the KAVSafe device.
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 Webshield 'KAVSafe.sys' 2010.4.14.609 (2010.5.23) - Kernel Mode Privilege Escalation EDB-12710 · local · May 23, 2010
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 40342 vdb-entry
- webshield-kavsafe-privilege-escalation(58780) vdb-entry
- 39916 third-party-advisory
- 12710 exploit