Finding ID | Version | Rule ID | IA Controls | Severity |
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V-219164 | UBTU-18-010031 | SV-219164r610963_rule | Low |
Description |
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Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account. |
STIG | Date |
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Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide | 2023-11-21 |
Check Text ( C-20889r304820_chk ) |
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Verify the Ubuntu operating system enforces a delay of at least 4 seconds between logon prompts following a failed logon attempt. Check that the Ubuntu operating system enforces a delay of at least 4 seconds between logon prompts with the following command: # grep pam_faildelay /etc/pam.d/common-auth auth required pam_faildelay.so delay=4000000 If the line is not present, or is commented out, this is a finding. |
Fix Text (F-20888r304821_fix) |
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Configure the Ubuntu operating system to enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt. Edit the file "/etc/pam.d/common-auth" and set the parameter "pam_faildelay" to a value of 4000000 or greater: auth required pam_faildelay.so delay=4000000 |