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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Useless services >> Check for a Citrix server Vulnerability Assessment Details
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Check for a Citrix server |
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CITRIX check Detailed Explanation for this Vulnerability Assessment A Citrix server is running on this machine. Citrix servers permit a Windows user to remotely obtain a graphical login (and therefore act as a local user on the remote host). NOTE: by default the Citrix Server application utilizes a weak 40 bit obfuscation algorithm (not even a true encryption). If the default settings have not been changed, there already exists tools which can be used to passively ferret userIDs and passwords as they traverse a network. If this server is located within your DMZ, the risk is substantially higher, as Citrix necessarily requires access into the internal network for applications like SMB browsing, file sharing, email synchronization, etc. If a possible hacker gains a valid login and password, he may be able to use this service to gain further access on the remote host or remote network. This protocol has also been shown to be vulnerable to a man-in-the-middle attack. Solution: Disable this service if you do not use it. Also, make sure that the server is configured to utilize strong encryption. Network Security Threat Level: Low Networks Security ID: 7276 Vulnerability Assessment Copyright: This script is Copyright (C) 2002 John Lampe...j_lampe@bellsouth.net |
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Cables, Connectors |
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