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Successful/unsuccessful attempts to modify categories of information (e.g., classification levels) must generate audit records.


Overview

Finding ID Version Rule ID IA Controls Severity
V-217244 SLES-12-020630 SV-217244r854138_rule Medium
Description
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter). Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215
STIG Date
SLES 12 Security Technical Implementation Guide 2022-09-13

Details

Check Text ( C-18472r622394_chk )
Verify audit records are generated when successful/unsuccessful attempts to modify categories of information (e.g., classification levels) occur.

Check that the following command call is being audited by performing the following command to check the file system rules in "/etc/audit/audit.rules":

# sudo grep -i 'chcon' /etc/audit/audit.rules

-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid>=1000 -F auid!=4294967295 -k prim_mod

If the command does not return any output or the returned line is commented out, this is a finding.
Fix Text (F-18470r622395_fix)
Configure the SUSE operating system to generate audit records when successful/unsuccessful attempts to modify categories of information (e.g., classification levels) occur.

Add or update the following rules in the "/etc/audit/rules.d/audit.rules" file:

-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid>=1000 -F auid!=4294967295 -k prim_mod

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

# sudo systemctl restart auditd.service