[NT] ignitionServer Server Linking Password Verification Vulnerability
From: SecuriTeam (support_at_securiteam.com)
Date: 06/17/04
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To: list@securiteam.com Date: 17 Jun 2004 20:28:56 +0200
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ignitionServer Server Linking Password Verification Vulnerability
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SUMMARY
<http://www.ignition-project.com/ignition/server/> ignitionServer is "an
Internet Relay Chat Server for the Windows platform".A vulnerability has
been discovered in ignitionServer, which can be exploited by malicious
people to bypass certain security restrictions. The vulnerability is
caused due to missing password verification when linking servers.
Successful exploitation requires use of linking, which is currently
experimental, and allows the password restriction to be bypassed.
DETAILS
Vulnerable Systems:
* ignitionServer version 0.1.2 through version 0.3.1
Immune Systems:
* ignitionServer version 0.3.1-P1
Vulnerable code:
The problematic code can be found at /codemodules/modConf.bas:
If Len(ILine(I).Pass) 0 Then
cptr.PassOK = False
Else
cptr.PassOK = True
Which means that if the password is of 0 length, it is ok and we can
continue. This is of course incorrect behavior, it shouldn't be regarded
as ok, but rather as if the wrong password was provided.
ADDITIONAL INFORMATION
The information has been provided by Keith Gable, Lead Programmer of the
Ignition Project.
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