The IBM RACF PASSWORD(REVOKE) SETROPTS value must be set to automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts occur.
An XCCDF Rule
Description
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking the account.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-223696r853602_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Ensure that PASSWORD(REVOKE) SETROPTS value is set to "1" or "2". This specifies the number of consecutive incorrect password attempts RACF allows before it revokes the USERID on the next incorrect attempt. If REVOKE is specified, ensure INITSTATS are in effect.
Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option as specified in the example below:
The RACF Command SETR LIST will show the status of RACF Controls including PASSWORD REVOKE.