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Files executed through a mail aliases file must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22441 | GEN004430 | SV-26691r1_rule | ECLP-1 | Medium |
| Description |
|---|
| Excessive permissions on files executed through a mail alias file could result in modification by an unauthorized user, execution of malicious code, and/or system compromise. |
| STIG | Date |
|---|---|
| Solaris 9 SPARC Security Technical Implementation Guide | 2013-04-10 |
Details
| Check Text ( C-27709r1_chk ) |
|---|
| Examine the contents of the /etc/mail/aliases file. For each file referenced, check the permissions of the file. # ls -lL [file referenced from aliases] If the permissions include a "+", the file has an extended ACL and this is a finding. |
| Fix Text (F-23932r1_fix) |
|---|
| Remove the extended ACL from the file. # getfacl [file referenced from aliases] Remove each ACE returned. # setfacl -d [ACE] [file referenced from aliases] |