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The /etc/group file must not contain any group password hashes.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22348 | GEN001475 | SV-26447r1_rule | ECLP-1 | Medium |
| Description |
|---|
| Group passwords are typically shared and should not be used. Additionally, 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 |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-27519r1_chk ) |
|---|
| Check the /etc/group file for password hashes. Procedure: # cut -d : -f 2 /etc/group | egrep -v '^(x|!)$' If any password hashes are returned, this is a finding. If no password hashes are returned, there is no finding. |
| Fix Text (F-23639r1_fix) |
|---|
| Edit /etc/group and change the password field to an exclamation point (!) to lock the group password. |