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The system's boot loader configuration file(s) must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22585 | GEN008740 | SV-26985r1_rule | ECLP-1 | Medium |
| Description |
|---|
| File system extended ACLs provide access to files beyond what is allowed by the mode numbers of the files. If extended ACLs are present on the system's boot loader configuration file(s), these files may be vulnerable to unauthorized access or modification, which could compromise the system's boot process. |
| STIG | Date |
|---|---|
| Solaris 10 X86 Security Technical Implementation Guide | 2014-04-04 |
Details
| Check Text ( C-27927r1_chk ) |
|---|
| Check the permissions of the file. # ls -lLd /boot/grub/grub.conf If the permissions of the file or directory contain "+", an extended ACL is present, and this is a finding. |
| Fix Text (F-24249r1_fix) |
|---|
| If the file with the extended ACL resides on a UFS filesystem: # getfacl /boot/grub/grub.conf Remove each ACE from the file. # setfacl -r [ACE] /boot/grub/grub.conf If the file with the extended ACL resides on a ZFS filesystem: # chmod A- /boot/grub/grub.conf |