Ubuntu 22.04
Ubuntu 22.04 LTS must enforce a delay of at least four seconds between logon prompts following a failed logon attempt
STIG ID:
UBTU-22-412010
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SRG:
SRG-OS-000480-GPOS-00226
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Severity:
Low
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CCI:
CCI-000366
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Vulnerability ID:
V-260550
Description
Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account.
Check
C-64279r953461_chk
Verify Ubuntu 22.04 LTS enforces a delay of at least four seconds between logon prompts following a failed logon attempt by using the following command: $ grep pam_faildelay /etc/pam.d/common-auth auth required pam_faildelay.so delay=4000000 If "delay" is not set to "4000000" or greater, the line is commented out, or is missing, this is a finding.
Fix
F-64187r953462_fix
Configure Ubuntu 22.04 LTS to enforce a delay of at least four seconds between logon prompts following a failed logon attempt. Add or modify the following line in the "/etc/pam.d/common-auth" file: auth required pam_faildelay.so delay=4000000