CVE-2016-3461 in MySQL Enterprise Monitor
Summary
by MITRE
Unspecified vulnerability in the MySQL Enterprise Monitor component in Oracle MySQL 3.0.25 and earlier and 3.1.2 and earlier allows remote administrators to affect confidentiality, integrity, and availability via vectors related to Monitoring: Server.
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Analysis
by VulDB Data Team • 07/26/2022
The vulnerability identified as CVE-2016-3461 resides within the MySQL Enterprise Monitor component of Oracle MySQL software versions 3.0.25 and earlier, as well as 3.1.2 and earlier. This unspecified weakness affects the monitoring server functionality and represents a critical security flaw that can be exploited by remote administrators to compromise the confidentiality, integrity, and availability of the monitored systems. The vulnerability specifically targets the enterprise monitoring capabilities that are designed to provide administrators with insights into database performance and health metrics. The affected MySQL Enterprise Monitor component operates as a server-side application that collects and processes monitoring data from MySQL database instances, making it a prime target for attackers seeking to manipulate or disrupt database monitoring operations. This flaw undermines the fundamental security assumptions of enterprise database monitoring solutions, as it allows unauthorized remote access to critical monitoring infrastructure that should typically be protected from external interference.
The technical nature of this vulnerability stems from insufficient security controls within the monitoring server implementation, which fails to properly authenticate and authorize remote administrative access attempts. Attackers exploiting this weakness can potentially gain unauthorized access to monitoring data, modify monitoring configurations, or disrupt the monitoring services entirely. The unspecified nature of the vulnerability description suggests that the exact technical mechanism remains undisclosed, but it likely involves improper access controls, insecure authentication mechanisms, or inadequate input validation within the monitoring server component. The impact extends beyond simple data exposure, as the ability to manipulate monitoring configurations can lead to false security alerts, corrupted monitoring data, or complete service disruption. This vulnerability directly relates to CWE-284, which addresses improper access control issues, and represents a significant weakness in the security architecture of enterprise database monitoring systems. The monitoring server component typically operates with elevated privileges to collect comprehensive system metrics, making any access control bypass particularly dangerous for enterprise environments.
The operational impact of CVE-2016-3461 is severe for organizations relying on MySQL Enterprise Monitor for database security and performance management. Remote attackers can exploit this vulnerability to gain unauthorized administrative access to the monitoring infrastructure, potentially leading to complete compromise of database monitoring capabilities. This attack vector allows adversaries to manipulate or corrupt monitoring data, which could mask actual security breaches or performance issues, making it extremely difficult for administrators to detect and respond to genuine threats. The confidentiality aspect of this vulnerability means that sensitive monitoring data, including database performance metrics, user access patterns, and system configurations, could be exposed to unauthorized parties. Integrity concerns arise from the ability to modify monitoring configurations or data, potentially leading to false security alerts or misrepresentation of system health status. Availability impacts include the potential for denial of service attacks against the monitoring infrastructure, which would prevent legitimate administrators from accessing critical monitoring information necessary for database management and security operations. The vulnerability affects the monitoring server functionality in a way that aligns with ATT&CK technique T1078 which covers valid accounts and T1499 which covers endpoint disruption, making it a particularly dangerous threat to enterprise database environments.
Organizations should immediately implement mitigation strategies including upgrading to patched versions of MySQL Enterprise Monitor, applying the latest security updates from Oracle, and implementing network segmentation to isolate monitoring infrastructure from general network access. Configuration hardening measures should be applied to restrict remote administrative access to the monitoring server, including implementing strong authentication mechanisms, limiting network exposure, and establishing proper firewall rules. Regular monitoring of the monitoring infrastructure for unauthorized access attempts should be implemented, along with comprehensive logging and alerting mechanisms. Security assessments should be conducted to identify any potential exploitation attempts, and network access controls should be strengthened to prevent unauthorized access to monitoring components. The vulnerability highlights the importance of securing all components of enterprise database systems, as monitoring infrastructure often contains sensitive operational data that can be leveraged for further attacks. Organizations should also consider implementing additional security layers such as intrusion detection systems and network monitoring tools specifically designed to detect anomalies in monitoring infrastructure access patterns, as this vulnerability could be used as a stepping stone for more comprehensive attacks against the underlying database systems.