Password Brute Force in WSO2 Identity Server

Executive Summary

This vulnerability exists in the RemoteUserStoreManagerService when password history validation is enabled. It fails to properly restrict repeated password change attempts, allowing attackers to brute force user passwords. The attack exploits weak password complexity to gain unauthorized account access.

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Detection Guidance

This vulnerability cannot be directly detected through commands as it involves insufficient password change validation in WSO2 Identity Server and related products. Monitor authentication logs for repeated failed password change attempts or brute force attacks targeting user accounts.

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Impact Analysis

An attacker could impersonate your account by guessing your password through repeated attempts. The impact depends on your password strength; simpler passwords are more easily compromised. This could lead to unauthorized access to sensitive data or system functions.

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Compliance Impact

This vulnerability could lead to unauthorized access to user accounts, potentially exposing sensitive personal data. This may violate GDPR's data protection principles and HIPAA's security requirements for safeguarding protected health information.

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Mitigation Strategies

Disable password history validation feature in RemoteUserStoreManagerService to prevent brute force attacks. Ensure strong password policies are enforced for all user accounts to reduce success rate of password guessing attempts.

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