CVE-2016-0238 in Security Guardium
Summary
by MITRE
IBM Security Guardium 9.0, 9.1, 9.5, 10.0, and 10.1 transmits sensitive data in cleartext in the query of the request. This could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 110409
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Analysis
by VulDB Data Team • 12/30/2020
IBM Security Guardium versions 9.0 through 10.1 contain a critical security flaw that exposes sensitive data during network transmission through unencrypted query parameters. This vulnerability resides in the communication protocol implementation where authentication credentials, user information, and other confidential data are transmitted in plaintext format rather than being properly encrypted. The flaw creates an avenue for attackers to intercept network traffic and extract sensitive information using standard man-in-the-middle attack techniques. The vulnerability is classified under CWE-312, which specifically addresses the exposure of sensitive information through cleartext transmission, making it a direct violation of fundamental security principles. This weakness affects the integrity and confidentiality of data flowing between Guardium components and remote systems, potentially compromising database security monitoring capabilities. The attack vector is particularly concerning as it operates at the network layer, allowing adversaries to capture data packets without requiring elevated privileges or complex exploitation techniques. Security professionals should note that this vulnerability directly maps to ATT&CK technique T1046, which involves network service scanning, and T1071, which covers application layer protocols, as attackers can leverage this weakness to gain unauthorized access to protected information. The impact extends beyond simple data exposure, as compromised credentials could enable further lateral movement within the network infrastructure, potentially leading to complete system compromise. Organizations using these Guardium versions face significant risk when network traffic is not properly secured with additional encryption layers such as SSL/TLS protocols. The vulnerability demonstrates a critical gap in the security architecture where sensitive data is not adequately protected during transmission, violating industry standards such as those outlined in NIST SP 800-53 and ISO 27001. The flaw represents a fundamental failure in implementing proper cryptographic controls for data in transit, which is essential for maintaining the security posture of database monitoring systems. IBM has addressed this vulnerability through subsequent security patches that enforce encrypted communication channels for all data transmission within the Guardium platform.
The technical implementation of this vulnerability stems from the application's failure to implement mandatory encryption for query parameters in network requests. When Guardium components communicate with each other or with external systems, the authentication tokens, session identifiers, and sensitive configuration data are transmitted without encryption, creating a clear path for interception. Attackers can utilize standard packet capture tools to monitor network traffic and extract the cleartext data, which would otherwise be protected through proper cryptographic implementation. This weakness is particularly dangerous because it affects the core functionality of Guardium's security monitoring capabilities, potentially allowing malicious actors to gain insights into database activities and access patterns that should remain confidential. The vulnerability's exploitation does not require specialized tools or deep technical knowledge, making it accessible to a wide range of threat actors. Network administrators should understand that this issue fundamentally undermines the trust model of the security monitoring infrastructure, as the very system designed to protect against unauthorized access becomes vulnerable to interception attacks. The flaw also impacts the system's compliance with regulatory requirements such as PCI DSS, which mandates the protection of sensitive cardholder data during transmission. Organizations should implement network segmentation and additional monitoring to detect potential exploitation attempts, while also ensuring that all communication channels are properly secured through encryption protocols. The vulnerability serves as a reminder of the critical importance of secure communication design and the necessity of implementing end-to-end encryption for all sensitive data transmission within security infrastructure platforms.
Mitigation strategies for this vulnerability should include immediate implementation of network-level encryption protocols such as TLS 1.2 or higher for all communication channels between Guardium components. Organizations should also deploy network monitoring solutions to detect and alert on suspicious traffic patterns that may indicate exploitation attempts. The implementation of secure communication channels should be complemented by regular security assessments to ensure that all data transmission paths are properly encrypted. System administrators should also consider implementing network access controls and firewall rules to limit communication to only necessary endpoints, reducing the attack surface for potential exploitation. Additionally, organizations should establish a comprehensive patch management process to ensure that security updates are applied promptly, particularly for critical vulnerabilities that affect core security infrastructure. The remediation process should also include configuration reviews to ensure that no cleartext transmission is permitted within the Guardium environment. Security teams should conduct regular penetration testing to validate that the implemented controls are effective against this class of vulnerability, and should consider adopting zero-trust network architectures that assume no implicit trust between network components. The vulnerability highlights the importance of maintaining current security practices and the necessity of continuous monitoring for potential exploitation attempts, as the threat landscape evolves and new attack vectors emerge. Organizations should also establish incident response procedures specifically designed to address vulnerabilities that expose sensitive information during transmission, ensuring that any potential compromise is detected and addressed promptly.