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


Overview

Finding ID Version Rule ID IA Controls Severity
V-239084 PHTN-67-000012 SV-239084r675060_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 all actions by superusers is one way to detect such misuse and identify the risk from insider threats and the advanced persistent threat. Satisfies: SRG-OS-000042-GPOS-00020, SRG-OS-000392-GPOS-00172
STIG Date
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide 2021-04-15

Details

Check Text ( C-42295r675058_chk )
At the command line, execute the following command:

# auditctl -l | grep execve

Expected result:

-a always,exit -F arch=b32 -S execve -C uid!=euid -F euid=0 -k execpriv
-a always,exit -F arch=b64 -S execve -C uid!=euid -F euid=0 -k execpriv
-a always,exit -F arch=b32 -S execve -C gid!=egid -F egid=0 -k execpriv
-a always,exit -F arch=b64 -S execve -C gid!=egid -F egid=0 -k execpriv

If the output does not match the expected result, this is a finding.
Fix Text (F-42254r675059_fix)
At the command line, execute the following commands:

# echo -a always,exit -F arch=b32 -S execve -C uid!=euid -F euid=0 -k execpriv>>/etc/audit/rules.d/audit.STIG.rules
# echo -a always,exit -F arch=b64 -S execve -C uid!=euid -F euid=0 -k execpriv>>/etc/audit/rules.d/audit.STIG.rules
# echo -a always,exit -F arch=b32 -S execve -C gid!=egid -F egid=0 -k execpriv>>/etc/audit/rules.d/audit.STIG.rules
# echo -a always,exit -F arch=b64 -S execve -C gid!=egid -F egid=0 -k execpriv>>/etc/audit/rules.d/audit.STIG.rules
# /sbin/augenrules --load