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All global initialization files must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22356 GEN001730 SV-45102r1_rule Medium
Description
Global initialization files are used to configure the user's shell environment upon login. Malicious modification of these files could compromise accounts upon logon.
STIG Date
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-42459r1_chk )
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 (F-38501r1_fix)
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