AIX must define default permissions for all authenticated users in such a way that the user can only read and modify their own files.
An XCCDF Rule
Description
Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary access.
- ID
- SV-215431r991590_rule
- Version
- AIX7-00-003137
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Add the following line to "/etc/security/.profile":
umask 077
Run the following command to set "umask=077" for the default stanza in "/etc/security/user":
# chsec -f /etc/security/user -s default -a umask=077