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Open X11 Server Vulnerability Scan

Vulnerability Scan Summary
X11 determines if X11 is open

Detailed Explanation for this Vulnerability Test

Synopsis :

The remote X11 server accepts connections from anywhere.

Description :

The remote X11 server accepts connection from anywhere. A possible hacker
may connect to it to eavesdrop on the keyboard and mouse events of
a user on the remote host. It is even possible for a possible hacker to
grab a screenshot of the remote host or to display arbitrary programs.

A possible hacker may exploit this flaw to obtain the username and password
of a user on the remote host.

Solution :

Restrict access to this port by using the 'xhost' command.
If the X11 client/server facility is not used, disable TCP entirely.

Threat Level:

Medium / CVSS Base Score : 4

Click HERE for more information and discussions on this network vulnerability scan.


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