tc Server HORIZON log files must only be accessible by privileged users.

From VMware vRealize Automation 7.x tc Server Security Technical Implementation Guide

Part of SRG-APP-000118-WSR-000068

Associated with: CCI-000162

SV-100627r1_rule tc Server HORIZON log files must only be accessible by privileged users.

Vulnerability discussion

Log data is essential in the investigation of events. If log data were to become compromised, then 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 web server must protect the log data from unauthorized read, write, copy, etc. This can be done by the web server if the web server is also doing the logging function. The web server may also use an external log system. In either case, the logs must be protected from access by non-privileged users.

Check content

At the command prompt, execute the following command: ls -lL /storage/log/vmware/horizon If any log files have permissions less restrictive than "640", this is a finding.

Fix text

At the command prompt, execute the following commands: chmod 640 /storage/log/vmware/horizon/ sed -i "/^[^#]*UMASK/ c\UMASK 077" /etc/login.defs Note: Substitute with the listed file.

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