Rule ID
SV-261386r996587_rule
Version
V1R4
CCIs
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised.
Verify SLEM 5 is not configured to allow blank or null passwords with the following command:
> grep pam_unix.so /etc/pam.d/* | grep nullok
If this produces any output, this is a finding.Configure SLEM 5 to not allow blank or null passwords. Remove any instances of the "nullok" option in "/etc/pam.d/common-auth" and "/etc/pam.d/common-password" to prevent logons with empty passwords.