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UBTU-24-400400 Ubuntu 24.04 LTS must encrypt all stored passwords with a FIPS 140-3 approved cryptographic hashing algorithm.

DISA STIG library V1R7
All changes in this version
first version loaded CAT II

Maps to IA-7 via CCI-000803

Title

Ubuntu 24.04 LTS must encrypt all stored passwords with a FIPS 140-3 approved cryptographic hashing algorithm.

Control

Verify the shadow password suite configuration is set to encrypt passwords with a FIPS 140-3 approved cryptographic hashing algorithm with the following command: $ grep -i ENCRYPT_METHOD /etc/login.defs ENCRYPT_METHOD SHA512 If "ENCRYPT_METHOD" does not equal SHA512 or greater, this is a finding.

Discussion

Passwords need to 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.

Related controls

CCI-000803

Fix

Configure Ubuntu 24.04 LTS to encrypt all stored passwords. Edit/modify the following line in the "/etc/login.defs" file and set "ENCRYPT_METHOD" to SHA512: ENCRYPT_METHOD SHA512