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The /etc/group file must not contain any group password hashes.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22348 GEN001475 SV-37383r1_rule ECLP-1 Medium
Description
Group passwords are typically shared and should not be used. Additionally, if password hashes are readable by non-administrators, the passwords are subject to attack through lookup tables or cryptographic weaknesses in the hashes.
STIG Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide 2014-01-09

Details

Check Text ( C-36070r1_chk )
Check the /etc/group file for password hashes.
# cut -d : -f 2 /etc/group | egrep -v '^(x|!)$'
If any password hashes are returned, this is a finding.

Fix Text (F-31314r1_fix)
Edit /etc/group and change the password field to an exclamation point (!) to lock the group password.