An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).
www.openwall.com/lists/oss-security/2020/08/14/1
bugzilla.suse.com/show_bug.cgi?id=1164472
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
sourceforge.net/p/trousers/mailman/message/37015817/