The Oracle Linux operating system must be configured so that all local initialization files have mode 0740 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221737	OL07-00-020710	SV-221737r917851_rule		Medium

Description
Local initialization files are used to configure the user's shell environment upon logon. Malicious modification of these files could compromise accounts upon logon.

STIG	Date
Oracle Linux 7 Security Technical Implementation Guide	2023-06-02

Details

Check Text ( C-36280r917849_chk )
Verify that all local initialization files have a mode of "0740" or less permissive. Check the mode on all local initialization files with the following command: Note: The example will be for the "smithj" user, who has a home directory of "/home/smithj". # ls -al /home/smithj/.[^.]* \| more -rw-------. 1 smithj users 2984 Apr 27 19:02 .bash_history -rw-r--r--. 1 smithj users 18 Aug 21 2019 .bash_logout -rw-r--r--. 1 smithj users 193 Aug 21 2019 .bash_profile If any local initialization files have a mode more permissive than "0740", this is a finding.

Check Text ( C-36280r917849_chk )

Verify that all local initialization files have a mode of "0740" or less permissive.

Check the mode on all local initialization files with the following command:

Note: The example will be for the "smithj" user, who has a home directory of "/home/smithj".

# ls -al /home/smithj/.[^.]* | more

-rw-------. 1 smithj users 2984 Apr 27 19:02 .bash_history
-rw-r--r--. 1 smithj users 18 Aug 21 2019 .bash_logout
-rw-r--r--. 1 smithj users 193 Aug 21 2019 .bash_profile

If any local initialization files have a mode more permissive than "0740", this is a finding.

Fix Text (F-36244r917850_fix)
Set the mode of the local initialization files to "0740" with the following command: Note: The example will be for the "smithj" user, who has a home directory of "/home/smithj". # chmod 0740 /home/smithj/.[^.]*