CVE-2016-6065 in Security Guardium Database Activity Monitor
Summary
by MITRE
IBM Security Guardium Database Activity Monitor appliance could allow a local user to inject commands that would be executed as root.
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Analysis
by VulDB Data Team • 08/09/2020
The vulnerability identified as CVE-2016-6065 affects the IBM Security Guardium Database Activity Monitor appliance, a critical component in database security monitoring and compliance enforcement. This appliance serves as a centralized solution for detecting and analyzing database activities, making it a prime target for attackers seeking persistent access to sensitive organizational data. The flaw resides within the appliance's command execution mechanisms, specifically in how it handles local user inputs that could be manipulated to execute arbitrary commands with elevated privileges. The vulnerability represents a significant escalation path for local attackers who may have gained initial access through other means, as it allows privilege elevation from standard user to root level without requiring additional authentication or exploitation techniques.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the appliance's local command processing subsystem. When local users interact with certain administrative functions or system interfaces, the appliance fails to properly sanitize user-supplied parameters before incorporating them into system commands. This command injection flaw enables attackers to append malicious commands that get executed with root privileges, effectively bypassing the normal security boundaries that should protect the system from unauthorized administrative actions. The vulnerability is particularly concerning because it operates at the local level, meaning that any user with access to the appliance can potentially exploit this weakness to gain complete system control, including the ability to modify system configurations, extract sensitive data, or establish persistent backdoors.
From an operational perspective, this vulnerability creates a severe risk for organizations relying on IBM Security Guardium for database security monitoring. The appliance typically operates in environments containing highly sensitive data, including financial records, personal information, and proprietary business data. When compromised, the vulnerability allows attackers to gain root access to the monitoring system itself, potentially enabling them to disable security alerts, modify audit trails, or even redirect database activity monitoring to capture sensitive information. The impact extends beyond immediate system compromise as the attacker can now manipulate the very tools designed to detect and prevent security breaches, effectively creating a stealthy attack vector that could remain undetected for extended periods while providing complete access to database environments.
Organizations should implement multiple layers of defense to mitigate this vulnerability, starting with immediate patching of the affected IBM Security Guardium appliance versions. The remediation process should include applying the vendor-provided security updates and ensuring proper access controls are implemented to limit local user privileges where possible. Network segmentation should be enforced to isolate the appliance from unnecessary network access, and regular security audits should verify that no unauthorized modifications have occurred. Additionally, organizations should consider implementing behavioral monitoring systems that can detect anomalous command execution patterns that might indicate exploitation attempts. According to CWE standards, this vulnerability maps to CWE-77, Command Injection, and aligns with ATT&CK techniques involving privilege escalation and command execution. The mitigation strategy should also include regular penetration testing and vulnerability assessments to identify similar weaknesses in other components of the database security infrastructure, as the presence of one such vulnerability often indicates potential for similar flaws in related systems.