vSphere UI log files must only be accessible by privileged users.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-239688	VCUI-67-000007	SV-239688r679170_rule		Medium

Description
Log data is essential in the investigation of events. If log data were to become compromised, competent forensic analysis and discovery of the true source of potentially malicious system activity would be difficult, if not impossible, to achieve. In addition, access to log records provides information an attacker could potentially use to their advantage since each event record might contain communication ports, protocols, services, trust relationships, user names, etc. The vSphere UI restricts all access to log file by default, but this configuration must be verified. Satisfies: SRG-APP-000118-WSR-000068, SRG-APP-000119-WSR-000069, SRG-APP-000120-WSR-000070

Description

Log data is essential in the investigation of events. If log data were to become compromised, competent forensic analysis and discovery of the true source of potentially malicious system activity would be difficult, if not impossible, to achieve. In addition, access to log records provides information an attacker could potentially use to their advantage since each event record might contain communication ports, protocols, services, trust relationships, user names, etc. The vSphere UI restricts all access to log file by default, but this configuration must be verified. Satisfies: SRG-APP-000118-WSR-000068, SRG-APP-000119-WSR-000069, SRG-APP-000120-WSR-000070

STIG	Date
VMware vSphere 6.7 UI Tomcat Security Technical Implementation Guide	2022-01-03

Details

Check Text ( C-42921r679168_chk )
At the command prompt, execute the following command: # find /storage/log/vmware/vsphere-ui/logs/ -xdev -type f -a '(' -not -perm 600 -o -not -user vsphere-ui ')' -exec ls -ld {} \; If any files are returned, this is a finding.

Fix Text (F-42880r679169_fix)
At the command prompt, execute the following commands: # chmod 600 /storage/log/vmware/vsphere-ui/logs/ # chown vsphere-ui:users /storage/log/vmware/vsphere-ui/logs/ Note: Substitute with the listed file.