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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-45888r1_rule 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
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-43205r1_chk )
# grep server_args /etc/xinetd.d/tftp
If the "-s" parameter is not specified, this is a finding.
Fix Text (F-39266r1_fix)
Edit /etc/xinetd.d/tftp file and specify the "-s" parameter in server_args.