The ftpusers file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22445 | GEN004950 | SV-26114r1_rule | ECLP-1 | Medium |
| Description |
|---|
| Excessive permissions on the ftpusers file could permit unauthorized modification. Unauthorized modification could result in Denial-of-Service to authorized FTP users or permit unauthorized users to access the FTP service. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-27712r1_chk ) |
|---|
| Check the permissions of the /etc/ftpusers file. # ls -lL /etc/ftpusers If the permissions include a "+", the file has an extended ACL, this is a finding. |
| Fix Text (F-26290r1_fix) |
|---|
| Remove the extended ACL from the ftpusers file. |