CVE-2006-3232 in WebSphere Application Server
Summary
by MITRE
Unspecified vulnerability in IBM WebSphere Application Server before 6.0.2.11 has unknown impact and attack vectors because the "UserNameToken cache was improperly used."
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Analysis
by VulDB Data Team • 06/21/2025
The vulnerability identified as CVE-2006-3232 affects IBM WebSphere Application Server versions prior to 6.0.2.11 and represents a security flaw related to the improper handling of UserNameToken caching mechanisms. This issue falls under the category of authentication and authorization weaknesses that can potentially compromise the integrity of the application server's security infrastructure. The vulnerability stems from the insecure utilization of cached UserNameTokens which are typically used in web services authentication processes to maintain session state and reduce the overhead of repeated authentication requests. When UserNameTokens are improperly cached, they may be reused or accessed by unauthorized parties, creating potential attack vectors that could lead to privilege escalation or unauthorized access to protected resources.
The technical flaw manifests in the UserNameToken cache implementation where the system fails to properly validate or invalidate cached authentication tokens, leading to potential reuse of stale or compromised credentials. This vulnerability is particularly concerning because it operates at the authentication layer of the application server, where improper handling can affect the entire security posture of applications deployed on the platform. The unspecified impact and attack vectors suggest that the flaw could potentially allow attackers to bypass authentication mechanisms, impersonate legitimate users, or gain elevated privileges within the application environment. The vulnerability's classification aligns with CWE-284, which addresses improper access control issues, and may also relate to CWE-345, concerning insufficient verification of data authenticity. From an operational perspective, this vulnerability could enable attackers to exploit the caching mechanism to perform unauthorized operations or maintain persistent access to the application server.
The operational impact of this vulnerability extends beyond simple authentication bypass scenarios as it can affect the overall trust model of the WebSphere Application Server deployment. Organizations relying on cached UserNameTokens for performance optimization may find their security posture weakened when these tokens are improperly managed, potentially allowing attackers to leverage the caching mechanism as a foothold for further exploitation. The vulnerability affects the fundamental security assumptions of the application server's web services authentication, particularly in environments where security is paramount and access control must be strictly enforced. Attackers could potentially exploit this weakness to perform man-in-the-middle attacks, session hijacking, or credential replay attacks against web services that depend on UserNameToken authentication. The impact is further amplified in enterprise environments where WebSphere Application Server serves as a critical infrastructure component for multiple applications and services.
Mitigation strategies for CVE-2006-3232 should focus on immediate patching of the WebSphere Application Server to version 6.0.2.11 or later, which contains the necessary fixes for the UserNameToken cache implementation. Organizations should also implement comprehensive monitoring of authentication activities and cache invalidation processes to detect potential exploitation attempts. Security configurations should be reviewed to ensure proper cache management policies are in place, including appropriate cache expiration times and validation mechanisms. The implementation of additional security controls such as secure session management, proper token validation, and regular security assessments can help reduce the attack surface. From a defensive standpoint, organizations should consider implementing network segmentation and access controls to limit the potential impact of any successful exploitation attempts. The vulnerability also highlights the importance of adhering to security best practices in cache management and authentication handling, as outlined in various security frameworks and standards including those from the Open Web Application Security Project and the Center for Internet Security. Organizations should also conduct thorough security testing of their web services authentication mechanisms to identify similar issues in other components of their infrastructure.