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The Photon operating system must require users to reauthenticate for privilege escalation.


Finding ID Version Rule ID IA Controls Severity
V-239136 PHTN-67-000065 SV-239136r675216_rule Medium
Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operating systems provide the capability to escalate a functional capability, it is critical the user reauthenticate. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide 2022-06-17


Check Text ( C-42347r675214_chk )
At the command line, execute the following commands:

# grep -ihs nopasswd /etc/sudoers /etc/sudoers.d/*|grep -v "^#"|grep -v "^%"|awk '{print $1}'

# awk -F: '($2 != "x" && $2 != "!") {print $1}' /etc/shadow

If any account listed in the first output is also listed in the second output, this is a finding.
Fix Text (F-42306r675215_fix)
Check the configuration of the "/etc/sudoers" and "/etc/sudoers.d/*" files with the following command:

# visudo
# visudo -f /etc/sudoers.d/

Remove any occurrences of "NOPASSWD" tags associated with user accounts with a password hash.