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The /etc/shadow file must not have an extended ACL.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22340 GEN001430 SV-26439r1_rule ECLP-1 Medium
Description
The /etc/shadow file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification. The file also contains password hashes which must not be accessible to users other than root.
STIG Date
SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE 2015-10-01

Details

Check Text ( C-39534r1_chk )
Verify /etc/shadow has no extended ACL.
# ls -lL /etc/shadow

If the permissions include a '+', the file has an extended ACL and this is a finding.
Fix Text (F-23629r1_fix)
Remove the extended ACL from the file.
# getfacl /etc/shadow
Remove each ACE returned.
# setfacl -d [ACE] /etc/shadow