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The system must use a FIPS 140-2 approved cryptographic hashing algorithm for generating account password hashes.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22303 | GEN000590 | SV-63943r1_rule | DCNR-1 IAIA-1 IAIA-2 | 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 | 2015-06-05 |
Details
| Check Text ( C-52443r1_chk ) |
|---|
| Verify the algorithm used for password hashing is of the SHA-2 family. # egrep "password .* pam_unix.so" /etc/pam.d/system-auth-ac If the line indicates the hash algorithm is not set to sha256 or sha512, this is a finding. |
| Fix Text (F-54513r1_fix) |
|---|
| Change the default password algorithm. # authconfig --passalgo=sha512 --update |