Description
Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.
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
- Chicken of the VNC 2.0 - 'NULL-pointer' Remote Denial of Service EDB-3257 · dos · Feb 2, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 22372 vdb-entry
- 20070202 Chicken of the VNC 2.0 remote DoS mailing-list
- 3257 exploit
- 2220 third-party-advisory
- 20070426 Re: Chicken of the VNC 2.0 remote DoS mailing-list
- 33637 vdb-entry
- cotv-serverinit-dos(32166) vdb-entry