The TFTP daemon must operate in "secure mode" which provides access only to a single directory on the host file system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-847	GEN005080	SV-28418r1_rule	ECSC-1	High

Description
Secure mode limits TFTP requests to a specific directory. If TFTP is not running in secure mode, it may be able to write to any file or directory and may seriously impair system integrity, confidentiality, and availability.

STIG	Date
SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE	2015-10-01

Details

Check Text ( C-28683r1_chk )
Determine if tftpd is running in secure mode. # grep tftp /etc/inetd.conf If any returned service line does not use the "-s" parameter to tftpd, this is a finding.

Fix Text (F-25709r1_fix)
Edit /etc/inetd.conf and add the "-s" parameter to tftpd.