An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24330
Reference (s):
- FEDORA:FEDORA-2020-ab3dace708
- URL: https://lists.fedoraproject.org/archives/list/[email protected]/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
- https://bugzilla.suse.com/show_bug.cgi?id=1164472
- https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
- https://sourceforge.net/p/trousers/mailman/message/37015817/