CVE-2012-4829 in XIV Storage System Gen3
Summary
by MITRE
IBM XIV Storage System Gen3 before 11.2 relies on a default X.509 v3 certificate for authentication, which allows man-in-the-middle attackers to spoof servers by leveraging an inappropriate certificate-trust relationship.
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Analysis
by VulDB Data Team • 03/02/2018
The vulnerability identified as CVE-2012-4829 affects IBM XIV Storage System Gen3 versions prior to 11.2, presenting a critical security flaw in the system's authentication mechanism. This issue stems from the system's reliance on a default X.509 v3 certificate that lacks proper trust validation, creating an exploitable weakness in the cryptographic infrastructure. The vulnerability falls under the category of weak certificate validation and improper authentication mechanisms, aligning with CWE-310 and CWE-295 which address cryptographic failures and certificate validation issues respectively.
The technical flaw manifests when the IBM XIV Storage System Gen3 operates with its default X.509 v3 certificate configuration, which does not properly validate the authenticity of connecting parties. This default certificate creates a trust relationship that can be easily exploited by attackers positioned in a man-in-the-middle position. The vulnerability allows malicious actors to impersonate legitimate servers within the storage network, potentially gaining unauthorized access to sensitive data and storage resources. The attack vector specifically targets the authentication process during secure communications, where the system's trust model is insufficient to detect forged certificates.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it compromises the fundamental security assurances provided by the storage system's cryptographic protocols. Organizations utilizing affected IBM XIV Storage System Gen3 versions face significant risks including data exfiltration, unauthorized modifications to storage configurations, and potential disruption of critical storage services. The vulnerability's severity is amplified by the fact that it affects the core authentication mechanism, potentially allowing attackers to establish persistent access to storage resources and bypass traditional network security controls.
Mitigation strategies for CVE-2012-4829 require immediate deployment of IBM's security patches and updates to version 11.2 or later, which address the default certificate trust relationship issues. Organizations should implement certificate pinning mechanisms to prevent the acceptance of unauthorized certificates, and establish proper certificate management procedures to ensure that only trusted certificates are accepted by storage systems. Network segmentation and monitoring solutions should be deployed to detect anomalous certificate exchange patterns, while security teams must conduct thorough vulnerability assessments to identify all instances of affected systems. This vulnerability also highlights the importance of following security best practices outlined in NIST SP 800-57 for cryptographic key management and certificate lifecycle management, as well as implementing controls consistent with the MITRE ATT&CK framework's credential access and defense evasion techniques.