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← Back to Oracle Linux 9 Security Technical Implementation Guide

V-271724

CAT II (Medium)

OL 9 must require users to reauthenticate for privilege escalation.

Rule ID

SV-271724r1091884_rule

STIG

Oracle Linux 9 Security Technical Implementation Guide

Version

V1R5

CCIs

CCI-002234

Discussion

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 that the user reauthenticate.

Check Content

Verify that OL 9 requires users to reauthenticate for privilege escalation.

Verify that "/etc/sudoers" has no occurrences of "!authenticate" with the following command:

$ sudo grep -ri '!authenticate' /etc/sudoers /etc/sudoers.d/*

If any occurrences of "!authenticate" are returned, this is a finding.

Fix Text

Configure OL 9 to not allow users to execute privileged actions without authenticating.

Remove any occurrence of "!authenticate" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory.

$ sudo sed -i '/\!authenticate/ s/^/# /g' /etc/sudoers /etc/sudoers.d/*