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GIDs reserved for system accounts must not be assigned to non-system groups.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-780 | GEN000360 | SV-28658r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Reserved GIDs are typically used by system software packages. If non-system groups have GIDs in this range, they may conflict with system software, possibly leading to the group having permissions to modify system files. |
| STIG | Date |
|---|---|
| SOLARIS 10 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2018-04-10 |
Details
| Check Text ( C-29001r1_chk ) |
|---|
| # more /etc/passwd Confirm all accounts with a GID of 99 and below are used by a system account. If a GID reserved for system accounts (0 - 99) is used by a non-system account, this is a finding. |
| Fix Text (F-25999r1_fix) |
|---|
| Change the primary group GID numbers for non-system accounts with reserved primary group GIDs (those less or equal to 99). # usermod -g |