Description
Cisco Systems VPN Client IPSec Driver (CVPNDRVA.sys) 5.0.02.0090 allows local users to cause a denial of service (crash) by calling the 0x80002038 IOCTL with a small size value, which triggers memory corruption.
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
- Cisco VPN Client - IPSec Driver Local kernel system pool Corruption (PoC) EDB-4911 · dos · Jan 15, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- cisco-vpnclient-cvpndrva-dos(39694) vdb-entry
- ADV-2008-0170 vdb-entry
- 1019240 vdb-entry
- 28472 third-party-advisory
- 4911 exploit
- 27289 vdb-entry