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System files and directories must not have uneven access permissions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-784 | GEN001140 M6 | SV-37853r1_rule | ECCD-1 ECCD-2 | Medium |
| Description |
|---|
| Discretionary access control is undermined if users, other than a file owner, have greater access permissions to system files and directories than the owner. |
| STIG | Date |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft | 2013-01-10 |
Details
| Check Text ( C-37050r1_chk ) |
|---|
| Open a terminal session and use the following command to verify the system directories do not have uneven file permissions. ls -lL /etc /bin /usr/bin /sbin /usr/sbin If any directories listed contain uneven file permissions, this is a finding. |
| Fix Text (F-32315r1_fix) |
|---|
| Use the "chmod" command to set the mode of files with uneven permissions so the owners do not have less permission than group or world users. |