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The /etc/shadow file (or equivalent) must be group-owned by root, bin, sys, or system.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22339 | GEN001410 | SV-26437r1_rule | ECLP-1 | Medium |
| Description |
|---|
| The /etc/shadow file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification. The file also contains password hashes which must not be accessible to users other than root. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-27511r1_chk ) |
|---|
| Check the ownership of the /etc/shadow file. Procedure: # ls -lL /etc/shadow If the file is not group-owned by root, bin, sys, or system, this is a finding. |
| Fix Text (F-23627r1_fix) |
|---|
| Change the group owner of the /etc/shadow file. Procedure: # chgrp root /etc/shadow |