Finding ID | Version | Rule ID | IA Controls | Severity |
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V-244532 | RHEL-08-010741 | SV-244532r743845_rule | Medium |
Description |
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If a local interactive user's files are group-owned by a group of which the user is not a member, unintended users may be able to access them. |
STIG | Date |
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Red Hat Enterprise Linux 8 Security Technical Implementation Guide | 2023-12-01 |
Check Text ( C-47807r743843_chk ) |
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Verify all files and directories in a local interactive user home directory are group-owned by a group that the user is a member. Check the group owner of all files and directories in a local interactive user's home directory with the following command: Note: The example will be for the user "smithj", who has a home directory of "/home/smithj". $ sudo ls -lLR / -rw-r--r-- 1 smithj smithj 18 Mar 5 17:06 file1 -rw-r--r-- 1 smithj smithj 193 Mar 5 17:06 file2 -rw-r--r-- 1 smithj sa 231 Mar 5 17:06 file3 If any files found with a group-owner different from the home directory user private group, check to see if the user is a member of that group with the following command: $ sudo grep smithj /etc/group sa:x:100:juan,shelley,bob,smithj smithj:x:521:smithj If any files or directories are group owned by a group that the directory owner is not a member of, this is a finding. |
Fix Text (F-47764r743844_fix) |
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Change the group of a local interactive user's files and directories to a group that the interactive user is a member. To change the group owner of a local interactive user's files and directories, use the following command: Note: The example will be for the user smithj, who has a home directory of "/home/smithj" and is a member of the users group. $ sudo chgrp smithj /home/smithj/ |