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RHEL-09-232215 RHEL 9 library directories must be group-owned by root or a system account.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to CM-5(6) via CCI-001499

Title

RHEL 9 library directories must be group-owned by root or a system account.

Control

Verify the systemwide shared library directories are group-owned by "root" with the following command: $ sudo find /lib /lib64 /usr/lib /usr/lib64 ! -group root -type d -exec stat -c "%G %n" {} \; If any systemwide shared library directory is returned and is not group-owned by a required system account, this is a finding.

Discussion

If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process. This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.

Related controls

CCI-001499

Fix

Configure the systemwide shared library directories (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access. Run the following command, replacing "[DIRECTORY]" with any library directory not group-owned by "root". $ sudo chgrp root [DIRECTORY]