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The /etc/passwd file must not contain password hashes.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22347 | GEN001470 | SV-37381r2_rule | ECLP-1 | Medium |
| Description |
|---|
| If password hashes are readable by non-administrators, the passwords are subject to attack through lookup tables or cryptographic weaknesses in the hashes. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2014-01-09 |
Details
| Check Text ( C-36068r2_chk ) |
|---|
| Verify no password hashes are present in /etc/passwd. # cut -d : -f 2 /etc/passwd | egrep -v '^(x|\*)$' If any password hashes are returned, this is a finding. |
| Fix Text (F-31312r1_fix) |
|---|
| Migrate /etc/passwd password hashes to /etc/shadow. # pwconv |