The system package management tool must verify group-ownership on all files and directories associated with packages.

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The system package management tool must verify group-ownership on all files and directories associated with packages.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-38453	RHEL-06-000517	SV-50253r2_rule		Low

Description
Group-ownership of system binaries and configuration files that is incorrect could allow an unauthorized user to gain privileges that they should not have. The group-ownership set by the vendor should be maintained. Any deviations from this baseline should be investigated.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2018-03-01

Details

Check Text ( C-46009r2_chk )
The following command will list which files on the system have group-ownership different from what is expected by the RPM database: # rpm -Va \| grep '^......G' If any output is produced, verify that the changes were due to STIG application and have been documented with the ISSO. If any output has not been documented with the ISSO, this is a finding.

Fix Text (F-43399r1_fix)
The RPM package management system can restore group-ownership of the package files and directories. The following command will update files and directories with group-ownership different from what is expected by the RPM database: # rpm -qf [file or directory name] # rpm --setugids [package]