Description
Buffer overflow in AT&T WinVNC (Virtual Network Computing) client 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long rfbConnFailed packet with a long reason string.
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.
Metasploit 1 module
-
RealVNC 3.3.7 Client Buffer Overflow
exploit/windows/vnc/realvnc_client
Exploit-DB 1
- RealVNC 3.3.7 - Client Buffer Overflow (Metasploit) EDB-16489 · remote · Apr 30, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- winvnc-client-bo(6025) vdb-entry
- 2305 vdb-entry
- 20010129 [CORE SDI ADVISORY] WinVNC client buffer overflow mailing-list