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Default system accounts must be disabled or removed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-810 | GEN002640 | SV-63809r1_rule | Medium |
| Description |
|---|
| Vendor accounts and software may contain backdoors allowing unauthorized access to the system. These backdoors are common knowledge and present a threat to system security if the account is not disabled. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-52355r1_chk ) |
|---|
| Determine if default system accounts (such as those for sys, bin, uucp, nuucp, daemon, smtp) have been disabled. # cat /etc/shadow If an account's password field (which is the second field in the /etc/shadow file) is "*", "*LK*", or is prefixed with a '!', the account is locked or disabled. If there are any unlocked default system accounts this is a finding. |
| Fix Text (F-54387r2_fix) |
|---|
| Lock the default system account(s). # passwd -l |