CVE-2016-3002 in Connections
Summary
by MITRE
IBM Connections 4.0 through CR4, 4.5 through CR5, and 5.0 before CR4 allows physically proximate attackers to obtain sensitive information by reading cached data on a client device.
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Analysis
by VulDB Data Team • 06/13/2019
IBM Connections vulnerability CVE-2016-3002 represents a critical information disclosure flaw that affects multiple versions of the enterprise social networking platform. This vulnerability stems from inadequate handling of cached data on client devices, creating a pathway for attackers who are physically proximate to the target system to access sensitive information. The vulnerability exists across IBM Connections 4.0 through CR4, 4.5 through CR5, and 5.0 before CR4, indicating a widespread issue affecting the platform's caching mechanisms and data protection protocols. The security risk is particularly concerning because it requires minimal physical access to exploit, making it a significant threat in environments where devices may be left unattended or accessible to unauthorized individuals.
The technical implementation of this vulnerability involves the platform's caching system storing sensitive data in a manner that persists on client devices without proper encryption or access controls. When users interact with IBM Connections, cached data including authentication tokens, user credentials, or personal information may be stored locally on the device in a manner that exposes this information to anyone with physical access. This flaw operates under the principle of insufficient data protection and improper handling of sensitive information, which aligns with CWE-312 (CWE-312: Cleartext Storage of Sensitive Information) and CWE-200 (CWE-200: Exposure of Sensitive Information). The vulnerability can be classified as a local information disclosure issue where the attacker does not need network access or remote exploitation capabilities, significantly broadening the attack surface.
From an operational perspective, this vulnerability poses substantial risks to organizations relying on IBM Connections for collaboration and communication. The physical proximity requirement means that attackers could exploit this vulnerability in office environments, shared workspaces, or any location where devices might be left unattended. The impact extends beyond simple credential theft to include potential exposure of confidential business information, personal data, and proprietary communications stored in the cached data. This vulnerability directly contradicts the principle of least privilege and proper data handling as outlined in security frameworks, creating opportunities for data breaches that could result in regulatory compliance violations, financial losses, and reputational damage. Organizations may face significant challenges in detecting and preventing exploitation, as the attack vector is relatively simple and does not require sophisticated techniques or network-based access.
The mitigation strategies for CVE-2016-3002 should focus on addressing the root cause of the caching mechanism vulnerability. Organizations should implement comprehensive device security policies that include automatic cache clearing, encryption of cached data, and regular security assessments of client-side storage mechanisms. System administrators should ensure that all affected versions of IBM Connections are updated to patched releases that address the caching vulnerability, while also implementing additional security controls such as screen lock timeouts, encrypted storage solutions, and mandatory device encryption. The remediation process should also include user education regarding the importance of securing devices and understanding the risks associated with leaving systems unattended. Security frameworks such as NIST SP 800-53 and ISO 27001 provide guidance for implementing proper data handling controls that would address this vulnerability by establishing requirements for secure data storage and access controls. Additionally, organizations should consider implementing endpoint protection solutions that monitor for unauthorized access to cached data and establish monitoring protocols to detect potential exploitation attempts.