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RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.


Overview

Finding ID Version Rule ID IA Controls Severity
V-258223 RHEL-09-654245 SV-258223r997075_rule Medium
Description
In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy. Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221
STIG Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide 2024-06-04

Details

Check Text ( C-61964r926654_chk )
Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/passwd with the following command:

$ sudo auditctl -l | egrep '(/etc/shadow)'

-w /etc/shadow -p wa -k identity

If the command does not return a line, or the line is commented out, this is a finding.
Fix Text (F-61888r926655_fix)
Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/shadow".

Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":

-w /etc/shadow -p wa -k identity

The audit daemon must be restarted for the changes to take effect.