Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
Files executed through a mail aliases file must be owned by root and must reside within a directory owned and writable only by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-239530 | VROM-SL-000555 | SV-239530r662041_rule | Medium |
| Description |
|---|
| If a file executed through a mail aliases file is not owned and writable only by root, it may be subject to unauthorized modification. Unauthorized modification of files executed through aliases may allow unauthorized users to attain root privileges. |
| STIG | Date |
|---|---|
| VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide | 2023-09-21 |
Details
| Check Text ( C-42763r662039_chk ) |
|---|
| Verify the ownership of files referenced within the sendmail aliases file: # more /etc/aliases Examine the aliases file for any utilized directories or paths: # ls -lL Check the owner for any paths referenced. Check if the file or parent directory is owned by root. If the file or parent directory is not owned by "root", this is a finding. |
| Fix Text (F-42722r662040_fix) |
|---|
| Edit the "/etc/aliases" file (alternatively, /usr/lib/sendmail.cf). Locate the entries executing a program. They will appear similar to the following line: Aliasname: : /usr/local/bin/ls (or some other program name) Ensure "root" owns the programs and the directory(ies) they reside in by using the chown command to change owner to "root": # chown root |