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-50591	OL6-00-000517	SV-64797r1_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
Oracle Linux 6 Security Technical Implementation Guide	2016-12-20

Details

Check Text ( C-53105r1_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 there is output, this is a finding.

Fix Text (F-55387r1_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]