BaselineWatch
Desk
Your fleet and your work Fleetyour releases and the hardware they run onTriagewhat needs a decisionWatchlistthe products and platforms you runSaved searchesthe lists you come back to
This instance Sourceswhat is read, how often, under what termsDigestthe daily or weekly summary, and alerts
How it is drawn Appearancethe look and the colour schemeBrandingthe mark this instance wears
Owner sign-in

RHEL-10-600720 RHEL 10 must be configured so that password-auth uses a sufficient number of hashing rounds.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to IA-5(1), IA-7 via CCI-004062, CCI-000803

Title

RHEL 10 must be configured so that password-auth uses a sufficient number of hashing rounds.

Control

Verify RHEL 10 is configured to use a sufficient number of rounds for password hashing with the following command: $ sudo grep rounds /etc/pam.d/password-auth password sufficient pam_unix.so sha512 rounds=100000 If the setting is not configured or "rounds" is less than "100000", this a finding.

Discussion

Passwords must be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text. Using more hashing rounds makes password cracking attacks more difficult. Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000120-GPOS-00061

Related controls

CCI-000803, CCI-004062

Fix

Configure RHEL 10 to use "100000" hashing rounds for hashing passwords. Add or modify the following line in "/etc/pam.d/password-auth" and set "rounds" to "100000": password sufficient pam_unix.so sha512 rounds=100000