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

V-22356

CAT II (Medium)

All global initialization files must not have extended ACLs.

Rule ID

SV-45102r1_rule

STIG

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

Version

V1R12

CCIs

CCI-000225

Discussion

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

Check Content

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.

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