Description
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
References
- 2275 vdb-entry
- VU#303080 third-party-advisory
- vnc-weak-authentication(5992) vdb-entry
- http://www1.corest.com/common/showdoc.php?idxseccion=10&idx=117