VMware ESX 3 Server

The VMware ESX 3 Server (V1 R2) has 630 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R2

CurrentPublished Fri Jul 22 2016

The TFTP daemon must be configured to vendor specifications, including a dedicated TFTP user account, a non-login shell, such as /bin/false, and a home directory owned by the TFTP user.

VMware ESX 3 Server

Assessment Title

Rule Text

The TFTP daemon must be configured to vendor specifications, including a dedicated TFTP user account, a non-login shell, such as /bin/false, and a home directory owned by the TFTP user.

Description

Discussion Text

If TFTP has a valid shell, it increases the likelihood of someone logging to the TFTP account and compromising the system.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-849

Rule

SV-849r2_rule

Severity

medium

Rule Version

GEN005120

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Check the /etc/passwd file to determine if TFTP is configured properly.

Procedure:
# grep tftp /etc/passwd

If a TFTP user account does not exist and TFTP is active, this is a finding.

Check the user shell for the TFTP user. If it is not /bin/false or equivalent, this is a finding.

Check the home directory assigned to the TFTP user. If no home directory is set, or the directory specified is not dedicated to the use of the TFTP service, this is a finding.

Implementation Procedure

Fix Text

Create a TFTP user account if none exists.
Assign a non-login shell to the TFTP user account, such as /bin/false.
Assign a home directory to the TFTP user account.

STIG check 579 of 630 in the VMware ESX 3 Server STIG checklist

← Previous · V-848The TFTP daemon must have mode 0755 or less permissive.Next · V-850 →Any X Windows host must write .Xauthority files.