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The Photon operating system must audit the execution of privileged functions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-256526 PHTN-30-000054 SV-256526r887252_rule Medium
Description
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privileged functions is one way to detect such misuse and identify the risk from insider threats and the advanced persistent threat. Satisfies: SRG-OS-000327-GPOS-00127, SRG-OS-000471-GPOS-00215
STIG Date
VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide 2023-02-21

Details

Check Text ( C-60201r887250_chk )
At the command line, run the following command to obtain a list of setuid files:

# find / -xdev -perm -4000 -type f -o -perm -2000 -type f | sort

Execute the following command for each setuid file found in the first command:

# auditctl -l | grep

Replace with each path found in the first command.

If each does not have a corresponding line in the audit rules, this is a finding.

A typical corresponding line will look like the following:

-a always,exit -F path= -F perm=x -F auid>=1000 -F auid!=4294967295 -F key=privileged

Note: This check depends on the auditd service to be in a running state for accurate results. The auditd service is enabled in control PHTN-30-000013.
Fix Text (F-60144r887251_fix)
At the command line, run the following command to obtain a list of setuid files:

# find / -xdev -perm -4000 -type f -o -perm -2000 -type f | sort

Execute the following for each setuid file found in the first command that does not have a corresponding line in the audit rules:

Navigate to and open:

/etc/audit/rules.d/audit.STIG.rules

Add the following line:

-a always,exit -F path= -F perm=x -F auid>=1000 -F auid!=4294967295 -F key=privileged

Execute the following command to load the new audit rules:

# /sbin/augenrules --load

Note: A new "audit.STIG.rules" file is provided for placement in "/etc/audit/rules.d" that contains all rules needed for auditd.

Note: An older "audit.STIG.rules" may exist if the file exists and references older "GEN" SRG IDs. This file can be removed and replaced as necessary with an updated one.