Race Condition Bypasses Account Lockout in Delphix Continuous Data

Executive Summary

This vulnerability is a race condition in Delphix Continuous Data's account lockout mechanism. It allows attackers to bypass the lockout threshold by sending multiple concurrent authentication requests. The system fails to update the failed-login counter and lockout status in time, letting brute-force attacks continue against a targeted account.

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Detection Guidance

This vulnerability involves a race condition in Delphix Continuous Data's account lockout mechanism. Detection would require monitoring authentication logs for unusual parallel login attempts against the same account, especially where failed attempts exceed the lockout threshold without triggering a lockout. Check for multiple rapid authentication requests from the same or different sources targeting a single account.

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Impact Analysis

Attackers could exploit this to repeatedly guess passwords against your account without being locked out. This increases the risk of unauthorized access, data breaches, or further compromise of your systems if the account has elevated privileges.

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Compliance Impact

This vulnerability could undermine compliance with GDPR and HIPAA by weakening account lockout mechanisms, which are critical for protecting sensitive data. GDPR requires strong authentication controls to prevent unauthorized access, while HIPAA mandates safeguards against brute-force attacks. The race condition allows bypassing these protections, potentially enabling unauthorized access to personal or health data.

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Mitigation Strategies

Apply the latest security patches or updates from Delphix for Continuous Data to fix the race condition in the account lockout mechanism. Ensure concurrent authentication requests are properly synchronized to prevent bypassing lockout thresholds.

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