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

The SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide (V1 R12) has 550 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 · R12

CurrentPublished Fri Oct 26 2018

All global initialization files must not have extended ACLs.

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

Assessment Title

Rule Text

All global initialization files must not have extended ACLs.

Description

Discussion Text

Global initialization files are used to configure the user's shell environment upon login. Malicious modification of these files could compromise accounts upon logon.

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

Objective

V-22356

Rule

SV-45102r1_rule

Severity

medium

Rule Version

GEN001730

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Check global initialization files for extended ACLs:

# ls -l /etc/bash.bashrc /etc/csh.cshrc /etc/csh.login /etc/environment /etc/ksh.kshrc /etc/profile /etc/profile.d/* /etc/zshrc 2>/dev/null|grep "\+ "

If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Implementation Procedure

Fix Text

Remove the extended ACL from the file.

# ls -l /etc/bash.bashrc /etc/csh.cshrc /etc/csh.login /etc/environment /etc/ksh.kshrc /etc/profile /etc/profile.d/* /etc/zshrc 2>/dev/null|grep "\+ "| awk '{ print $8}' xargs setfacl --remove-all

STIG check 124 of 550 in the SUSE Linux Enterprise Server v11 for System z STIG checklist

← Previous · V-22355Run control scripts lists of preloaded libraries must contain only absolute paths.Next · V-22357 →Skeleton files must not have extended ACLs.