The TFTP daemon must have mode 0755 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-848	GEN005100	SV-63163r1_rule		High

Description
If TFTP runs with the setuid or setgid bit set, it may be able to write to any file or directory and may seriously impair system integrity, confidentiality, and availability.

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-51899r2_chk )
Check the mode of the TFTP daemon. Procedure: # grep "server " /etc/xinetd.d/tftp # ls -lL If the mode of the file is more permissive than 0755, this is a finding.

Fix Text (F-53741r2_fix)
Change the mode of the TFTP daemon. Procedure: # chmod 0755