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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-26441r2_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
HP-UX 11.23 Security Technical Implementation Guide 2015-12-02

Details

Check Text ( C-36357r4_chk )
For Trusted Mode:
Check the TCB auth files and directories.
# ls -lLd /tcb /tcb/files /tcp/files/auth
# ls -lL /tcb/files/auth/[a-z,A-Z]/*

If the permissions of any of the /tcb files and directories include a “+”, this is a finding.

For SMSE:
Check the /etc/shadow file.
# ls -lL /etc/shadow

If the /etc/shadow file permissions include a “+”, the file has an extended ACL, this is a finding.
Fix Text (F-31693r3_fix)
For Trusted Mode:
# chacl -z /tcb
# chacl -z /tcb/files /tcb/files/auth
# chacl -z /tcb/files/auth/[a-z]/*

For SMSE:
# chacl -z /etc/shadow