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VID 23095
Severity 40
Port 6667
Protocol TCP
Class BNC
Detailed Description The BNC IRC Proxy server is vulnerable to an authentication bypass vulnerability.
BNC is a freely available IRC (Internet Relay Chat) proxy server for Microsoft Windows, Unix, and Linux-based operating systems. BNC versions prior to 2.9.1 are vulnerable to this vulnerability, which allows a remote attacker to gain access to a proxy without supplying a valid password.

* Platforms Affected:
James Seter, BNC prior to 2.9.1
Microsoft Windows Any version
Linux Any version
Unix Any version
Recommendation Upgrade to the latest version of BNC (2.9.1 or later), available from the BNC Project Web site at http://www.gotbnc.com/
Related URL CVE-2004-2612 (CVE)
Related URL 11650 (SecurityFocus)
Related URL 18103 (ISS)