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This script is Copyright (C) 2002-2016 Pasi Eronen
The XDMCP service is running on the remote host.
The X Display Manager Control Protocol (XDMCP) service allows a Unix
user to remotely obtain a graphical X11 login and therefore act as a
local user on the remote host. If an attacker can gain a valid login
and password, this service could be used to gain further access on the
remote host. An attacker may also use this service to mount a
dictionary attack against the remote host to try to log in remotely.
Note that XDMCP is vulnerable to man-in-the-middle attacks, making it
easy for attackers to steal the credentials of legitimate users by
impersonating the XDMCP server. In addition to this, XDMCP is not a
ciphered protocol, which allows an attacker to capture the keystrokes
entered by the user.
Disable the XDMCP service, if you do not use it, and do not allow
this service to run across the Internet.
Risk factor :
Medium / CVSS Base Score : 4.3
Family: Service detection
Nessus Plugin ID: 10891 ()
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