CVE-2007-0433 in Aqualogic Service Bus
Summary
by MITRE
Unspecified vulnerability in BEA AquaLogic Enterprise Security 2.0 through 2.0 SP2, 2.1 through 2.1 SP1, and 2.2, when using Active Directory LDAP for authentication, allows remote authenticated users to access the server even after the account has been disabled.
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Analysis
by VulDB Data Team • 10/06/2017
The vulnerability described in CVE-2007-0433 represents a critical authentication bypass flaw within BEA AquaLogic Enterprise Security products across multiple versions. This issue specifically manifests when the system employs Active Directory LDAP for user authentication mechanisms, creating a persistent security weakness that undermines the fundamental principles of access control and account management. The vulnerability exists in versions 2.0 through 2.0 SP2, 2.1 through 2.1 SP1, and 2.2 of the AquaLogic Enterprise Security framework, indicating a widespread problem that affected a significant portion of the product's lifecycle.
The technical flaw stems from improper session management and authentication state handling within the LDAP integration layer. When Active Directory accounts are disabled by administrators, the system fails to properly invalidate existing authenticated sessions or revoke access permissions for users who were previously authenticated. This creates a scenario where disabled accounts can continue to maintain active connections and access server resources through cached authentication tokens or session states that were established before the account disablement occurred. The vulnerability operates at the intersection of identity management and session handling, where the system's inability to synchronize account status changes with active sessions creates an exploitable gap in the security model.
From an operational impact perspective, this vulnerability presents a significant risk to enterprise security infrastructure, particularly in environments where account lifecycle management is critical. Attackers who have previously authenticated to the system can maintain access even after their accounts have been disabled, effectively bypassing account management controls that should enforce immediate access revocation. This behavior violates fundamental security principles outlined in the principle of least privilege and demonstrates a failure in implementing proper session termination mechanisms. The vulnerability essentially allows for extended access beyond the intended scope of account validity, creating potential pathways for data exfiltration, system compromise, or unauthorized administrative actions.
The security implications extend beyond simple access bypass to encompass broader identity and access management concerns. This vulnerability aligns with CWE-613, which addresses insufficient session expiration, and represents a classic case of inadequate session management that allows stale authentication states to persist. From an attack perspective, this flaw fits within the MITRE ATT&CK framework under the privilege escalation and persistence categories, as it enables attackers to maintain access even after legitimate access controls should have been enforced. Organizations utilizing this software in production environments face the risk of unauthorized access remaining undetected for extended periods, as the system's normal monitoring and alerting mechanisms may not detect the abnormal behavior of disabled accounts maintaining access.
Mitigation strategies should focus on implementing immediate session invalidation upon account disablement, enhancing LDAP integration protocols to properly synchronize account status changes, and establishing more robust session management controls. Organizations should implement automated monitoring for anomalous access patterns that could indicate the exploitation of this vulnerability. Additionally, the affected software versions should be upgraded to patched releases, and administrators should review their account management policies to ensure proper session cleanup procedures are implemented. The vulnerability underscores the importance of maintaining synchronized authentication and authorization states, particularly in enterprise security systems where account lifecycle management is critical to overall security posture.