CVE-2012-2285 in Cloud Tiering Appliance Virtual Edition
Summary
by MITRE
EMC Cloud Tiering Appliance (aka CTA, formerly FMA) 9.0 and earlier, and Cloud Tiering Appliance Virtual Edition (CTA/VE) 9.0 and earlier, allows remote attackers to obtain GUI administrative access by sending a crafted file during the authentication phase.
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Analysis
by VulDB Data Team • 01/12/2018
The vulnerability identified as CVE-2012-2285 affects EMC Cloud Tiering Appliance versions 9.0 and earlier, including the virtual edition variant, representing a critical authentication flaw that undermines the security posture of enterprise storage solutions. This vulnerability resides within the authentication phase of the appliance's web-based graphical user interface, creating an avenue for remote attackers to bypass normal access controls and gain administrative privileges without proper credentials.
The technical flaw manifests through the improper handling of crafted files during the authentication process, specifically targeting the appliance's GUI interface. Attackers can exploit this weakness by sending maliciously constructed files that manipulate the authentication flow, effectively allowing unauthorized access to administrative functions. This type of vulnerability falls under the category of authentication bypass flaws, which are particularly dangerous as they directly compromise the access control mechanisms that protect sensitive administrative interfaces. The vulnerability is classified as a weakness in authentication mechanisms, aligning with CWE-287 which addresses improper authentication issues in software systems.
The operational impact of this vulnerability extends beyond simple unauthorized access, as administrative privileges provide attackers with complete control over the appliance's configuration, data management, and system settings. An attacker who successfully exploits this vulnerability could modify storage policies, access sensitive data, alter system configurations, and potentially use the compromised appliance as a pivot point for attacks on other systems within the network. The remote nature of the attack means that adversaries do not require physical access to the appliance or network proximity, making the vulnerability particularly concerning for enterprise environments where such appliances often serve as critical components in data storage infrastructure.
The security implications of this vulnerability are compounded by the fact that it affects both physical and virtual editions of the appliance, suggesting a fundamental flaw in the authentication implementation that exists across different deployment models. Organizations using these versions face significant risk as attackers can exploit this vulnerability from anywhere on the internet, potentially leading to data breaches, service disruption, and compliance violations. The vulnerability represents a clear violation of the principle of least privilege, where normal authentication mechanisms fail to properly validate user credentials and access requests.
Mitigation strategies for this vulnerability require immediate patching of affected systems to the latest available versions that contain fixes for the authentication bypass flaw. Organizations should also implement network segmentation to limit access to the appliance to trusted administrative networks only, and consider implementing additional authentication layers such as two-factor authentication where possible. Security monitoring should be enhanced to detect unusual authentication patterns or unauthorized access attempts to the appliance's GUI interface. The remediation process should follow established security protocols and include thorough testing of patches in non-production environments before deployment to ensure operational stability while addressing the security vulnerability. This vulnerability demonstrates the importance of robust authentication design and the critical need for regular security updates and vulnerability assessments in enterprise storage solutions.