The Red Hat Enterprise Linux operating system must audit all uses of the sudo command.

From Red Hat Enterprise Linux 7 Security Technical Implementation Guide

Part of SRG-OS-000037-GPOS-00015

Associated with: CCI-000130 CCI-000135 CCI-000172 CCI-002884

SV-86785r4_rule The Red Hat Enterprise Linux operating system must audit all uses of the sudo command.

Vulnerability discussion

Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information.At a minimum, the organization must audit the full-text recording of privileged access commands. The organization must maintain audit trails in sufficient detail to reconstruct events to determine the cause and impact of compromise.Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215

Check content

Verify the operating system generates audit records when successful/unsuccessful attempts to use the "sudo" command occur. Check that the following system call is being audited by performing the following command to check the file system rules in "/etc/audit/audit.rules": # grep -iw /usr/bin/sudo /etc/audit/audit.rules -a always,exit -F path=/usr/bin/sudo -F auid>=1000 -F auid!=4294967295 -k privileged-priv_change If the command does not return any output, this is a finding.

Fix text

Configure the operating system to generate audit records when successful/unsuccessful attempts to use the "sudo" command occur. Add or update the following rule in "/etc/audit/rules.d/audit.rules": -a always,exit -F path=/usr/bin/sudo -F auid>=1000 -F auid!=4294967295 -k privileged-priv_change The audit daemon must be restarted for the changes to take effect.

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