CVE-2019-4306 in Security Guardium Big Data Intelligence
Summary
by MITRE
IBM Security Guardium Big Data Intelligence (SonarG) 4.0 specifies permissions for a security-critical resource which could lead to the exposure of sensitive information or the modification of that resource by unintended parties. IBM X-Force ID: 160986.
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Analysis
by VulDB Data Team • 01/29/2024
IBM Security Guardium Big Data Intelligence SonarG version 4.0 contains a critical access control vulnerability that allows unauthorized parties to gain elevated privileges and manipulate security-critical resources. This vulnerability stems from improper permission specifications within the system's resource management framework, creating a path for privilege escalation attacks. The flaw enables attackers to bypass normal access controls and potentially access sensitive data or modify critical system components without proper authorization.
The technical implementation of this vulnerability involves inadequate privilege checking mechanisms within the SonarG component that processes and manages security intelligence data. When the system handles security-critical resources such as configuration files, log data, or access control policies, it fails to properly validate user permissions before granting access. This misconfiguration creates a direct pathway for malicious actors to exploit the system's trust model and elevate their privileges to administrative levels. The vulnerability affects the core security architecture of the platform, undermining the fundamental principle of least privilege that should govern all security-critical system components.
From an operational perspective, this vulnerability presents a significant risk to organizations relying on IBM Security Guardium for data protection and security monitoring. Attackers who successfully exploit this flaw could access sensitive information stored within the system, potentially compromising thousands of protected data assets. The impact extends beyond simple data exposure as malicious actors could also modify security policies, disable protection mechanisms, or create backdoors within the system. This capability undermines the entire security posture of organizations that depend on SonarG for their big data intelligence operations, potentially leading to widespread data breaches and regulatory compliance violations.
The vulnerability aligns with CWE-284, which addresses improper access control issues in software systems. This classification specifically addresses weaknesses in how systems manage access permissions for security-critical resources, directly correlating with the privilege escalation capabilities demonstrated in this vulnerability. From an ATT&CK framework perspective, this vulnerability maps to privilege escalation techniques and credential access patterns, allowing adversaries to move laterally within the security infrastructure and establish persistent access to sensitive data repositories. Organizations should consider this vulnerability as part of a broader attack chain that could lead to complete system compromise and data exfiltration.
Mitigation strategies should include immediate patch deployment from IBM to address the permission specification flaws in the SonarG component. Security administrators should implement additional monitoring controls to detect unauthorized access attempts and privilege escalation activities within the system. Network segmentation and principle of least privilege enforcement should be reinforced across all security-critical components. Organizations should also conduct comprehensive security assessments to identify any potential exploitation attempts and establish incident response procedures specifically addressing access control breaches. Regular security audits of permission settings and access controls should be implemented to prevent similar vulnerabilities from emerging in the future.