Title

SLEM 5 must not be configured to allow blank or null passwords. (Cat I impact)

Discussion

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.

Check Content

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.

Fix Text

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.

Additional Identifiers

Rule ID: SV-261386r996587_rule

Vulnerability ID: V-261386

Group Title: SRG-OS-000480-GPOS-00227

Expert Comments

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