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Device files used for backup must only be readable and/or writable by root or the backup user.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-925 | GEN002300 | SV-38506r1_rule | ECCD-1 ECCD-2 | Medium |
| Description |
|---|
| System backups could be accidentally or maliciously overwritten and destroy the ability to recover the system if a compromise should occur. Unauthorized users could also copy system files. |
| STIG | Date |
|---|---|
| HP-UX 11.31 Security Technical Implementation Guide | 2018-03-01 |
Details
| Check Text ( C-36416r1_chk ) |
|---|
| Check the system for device files read/write enabled for users other than root or the backup user. Example: # find / \( -perm -0020 -o -perm -0040 -o -perm -0002 -o -perm -0004 \) -a \( -type b -o -type c -o -type n \) -exec ls -ld {} \; If any device files used for backup are read/write enabled for users other than root, this is a finding. |
| Fix Text (F-31754r1_fix) |
|---|
| Use the chmod command to remove the read/write bit(s) from the backup device files. # chmod o-r # chmod o-w # chmod g-r # chmod g-w Document all changes. |