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Files executed through a mail aliases file must have mode 0755 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-834 | GEN004420 | SV-834r2_rule | ECLP-1 | Medium |
| Description |
|---|
| If a file executed through a mail alias file has permissions greater than 0755, it can be modified by an unauthorized user and may contain malicious code or instructions possibly compromising the system. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-8033r2_chk ) |
|---|
| Find the aliases file on the system. Procedure: # find / -name aliases -depth -print Examine the aliases file for any directories or paths that may be utilized. Procedure: # more Check the permissions for any paths referenced. Procedure: # ls -lL If any file referenced from the aliases file has a mode more permissive than 0755, this is a finding. |
| Fix Text (F-988r2_fix) |
|---|
| Use the chmod command to change the access permissions for files executed from the alias file. For example: # chmod 0755 < filename > |