Finding ID | Version | Rule ID | IA Controls | Severity |
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V-12016 | GEN005220 | SV-37684r1_rule | ECCD-1 ECCD-2 | Medium |
Description |
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If access to the X server is not restricted, a user's X session may be compromised. |
STIG | Date |
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Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2014-01-09 |
Check Text ( C-36875r1_chk ) |
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Determine if the X server is running. Procedure: # ps -ef |grep X Determine if xauth is being used. Procedure: # xauth xauth> list If the above command sequence does not show any host other than the localhost, then xauth is not being used. Search the system for an X*.hosts file, where "*" is a display number used to limit X window connections. If no files are found, X*.hosts files are not being used. If the X*.hosts files contain any unauthorized hosts, this is a finding. If both xauth and X*.hosts files are not being used, this is a finding. |
Fix Text (F-31858r1_fix) |
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Create an X*.hosts file, where "*" is a display number used to limit X window connections. Add the list of authorized X clients to the file. |