Finding ID | Version | Rule ID | IA Controls | Severity |
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V-11946 | GEN000340 | SV-37155r1_rule | ECSC-1 | Medium |
Description |
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Reserved UIDs are typically used by system software packages. If non-system accounts have UIDs in this range, they may conflict with system software, possibly leading to the user having permissions to modify system files. |
STIG | Date |
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Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2015-12-03 |
Check Text ( C-35863r2_chk ) |
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Check the UID assignments for all accounts. # cut -d: -f 1,3 /etc/passwd | egrep ":[1-4][0-9]{2}$|:[0-9]{1,2}$" Confirm all accounts with a UID of 499 and below are used by a system account. If a UID reserved for system accounts (0 - 499) is used by a non-system account, then this is a finding. |
Fix Text (F-31119r1_fix) |
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Change the UID numbers for non-system accounts with reserved UIDs (those less or equal to 499). |