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RHEL-09-654230 RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/gshadow.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to AC-2(1), AC-2(4), AU-3, AU-3(1), AU-12, MA-4(1) via CCI-000018, CCI-000130, CCI-000135, CCI-000169, CCI-000172, CCI-001403, CCI-001404, CCI-001405, CCI-002130, CCI-000015, CCI-002884, CCI-002132

Title

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

Control

Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/gshadow" with the following command: $ sudo auditctl -l | egrep '(/etc/gshadow)' -a always,exit -F arch=b32 -F path=/etc/gshadow -F perm=wa -k identity -a always,exit -F arch=b64 -F path=/etc/gshadow -F perm=wa -k identity If the command does not return a line, or the line is commented out, this is a finding.

Discussion

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

Related controls

CCI-000015, CCI-000018, CCI-000130, CCI-000135, CCI-000169, CCI-000172, CCI-001403, CCI-001404, CCI-001405, CCI-002130, CCI-002132, CCI-002884

Fix

Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/gshadow". Add or update the following file system rule to "/etc/audit/rules.d/audit.rules": -a always,exit -F arch=b32 -F path=/etc/gshadow -F perm=wa -k identity -a always,exit -F arch=b64 -F path=/etc/gshadow -F perm=wa -k identity To load the rules to the kernel immediately, use the following command: $ sudo augenrules --load