The system must require at least eight characters be changed between the old and new passwords during a password change.
An XCCDF Rule
Description
To ensure password changes are effective in their goals, the system must ensure old and new passwords have significant differences. Without significant changes, new passwords may be easily guessed based on the value of a previously compromised password.
- ID
- SV-216326r1016271_rule
- Version
- SOL-11.1-040060
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
The root role is required.
# pfedit /etc/default/passwd
Search for MINDIFF. Change the line to read:
MINDIFF=8