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RHEL 8 library files must be owned by root.


Overview

Finding ID Version Rule ID IA Controls Severity
V-230261 RHEL-08-010340 SV-230261r627750_rule Medium
Description
If RHEL 8 were to allow 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 8 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. Only qualified and authorized individuals will be allowed to obtain access to information system components for purposes of initiating changes, including upgrades and modifications.
STIG Date
Red Hat Enterprise Linux 8 Security Technical Implementation Guide 2022-09-07

Details

Check Text ( C-32930r567529_chk )
Verify the system-wide shared library files are owned by "root" with the following command:

$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 ! -user root -exec ls -l {} \;

If any system wide shared library file is returned, this is a finding.
Fix Text (F-32905r567530_fix)
Configure the system-wide shared library files (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.

Run the following command, replacing "[FILE]" with any library file not owned by "root".

$ sudo chown root [FILE]