The password hashes stored on the system must have been generated using a FIPS 140-2 approved cryptographic hashing algorithm.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22304	GEN000595	SV-63949r1_rule		Medium

Description
Systems must employ cryptographic hashes for passwords using the SHA-2 family of algorithms or FIPS 140-2 approved successors. The use of unapproved algorithms may result in weak password hashes more vulnerable to compromise.

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-52447r2_chk )
Check all password hashes in /etc/passwd or /etc/shadow begin with '$5$' or '$6$'. Procedure: # cut -d ':' -f2 /etc/passwd # cut -d ':' -f2 /etc/shadow Any password hashes present not beginning with '$5$' or, '$6$' is a finding. Any entries showing only NP, LK, or x are not findings.

Fix Text (F-54521r1_fix)
Change the passwords for all accounts using non-compliant password hashes. (This requires GEN000590 is already met.)