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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-40790r2_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
SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE 2018-04-10

Details

Check Text ( C-39528r1_chk )
Determine if any password hashes stored on the system were not generated using a FIPS 140-2 approved cryptographic hashing algorithm.

Procedure:
# cut -d ':' -f2 /etc/passwd
# cut -d ':' -f2 /etc/shadow

If any password hashes are present not beginning with $5$ or $6$, this is a finding.

Verify that FIPS 140-2 approved cryptographic hashing algorithms are available.
# egrep '^[56]' /etc/security/crypt.conf
If no lines are returned, this is a finding.
Fix Text (F-34652r2_fix)
If the /etc/security/crypt.conf file does not support FIPS 140-2 approved cryptographic hashing algorithms, upgrade to at least the Solaris 10 8/07 release.

Edit the /etc/security/policy.conf file.
# vi /etc/security/policy.conf
Uncomment or add the CRYPT_ALGORITHMS_ALLOW line and set it to "5,6". Update the CRYPT_DEFAULT default line to be equal to 5 or 6. The following lines are acceptable.

CRYPT_ALGORITHMS_ALLOW=5,6
CRYPT_DEFAULT=6

Update passwords for all accounts with non-compliant password hashes.