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Local initialization files must be group-owned by the user's primary group or root.


Overview

Finding ID Version Rule ID IA Controls Severity
V-220088 GEN001870 SV-220088r603266_rule Medium
Description
Local initialization files are used to configure the user's shell environment upon login. Malicious modification of these files could compromise accounts upon logon.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2020-12-04

Details

Check Text ( C-21797r488618_chk )
Check user home directories for local initialization files group-owned by a group other than the user's primary group or root.
1. List user accounts and their primary GID.
# cut -d : -f 1,4 /etc/passwd

2. Check local initialization files for each user.
# ls -al //.login
# ls -al //.cshrc
# ls -al //.logout
# ls -al //.profile
# ls -al //.bash_profile
# ls -al //.bashrc
# ls -al //.bash_logout
# ls -al //.env
# ls -al //.dtprofile
# ls -al //.dispatch
# ls -al //.emacs
# ls -al //.exrc
# find //.dt ! -fstype nfs ! -group -exec ls -ld {} \;

3. If any file is not group-owned by root or the user's primary GID, this is a finding.

Fix Text (F-21796r488619_fix)
Change the group-owner of the local initialization file to the user's primary group, or root.
# chgrp [USER's primary GID] ~USER/[local initialization file]