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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 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2015-03-25

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.