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V-847

CAT I (High)

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

Rule ID

SV-45888r1_rule

STIG

SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

Version

V1R12

CCIs

CCI-000366

Discussion

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.

Check Content

# grep server_args /etc/xinetd.d/tftp
If the "-s" parameter is not specified, this is a finding.

Fix Text

Edit /etc/xinetd.d/tftp file and specify the "-s" parameter in server_args.