CVE-2014-8120 in Thermostat
Summary
by MITRE
The agent in Thermostat before 1.0.6, when using unspecified configurations, allows local users to obtain the JMX management URLs of all local Java virtual machines and gain privileges via unknown vectors.
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Analysis
by VulDB Data Team • 12/10/2024
The vulnerability identified as CVE-2014-8120 affects the thermostat agent component in versions prior to 1.0.6, representing a critical security flaw that exposes JMX management interfaces of local java virtual machines to unauthorized local users. This vulnerability stems from insufficient configuration controls within the thermostat agent's implementation, creating an attack surface that allows privilege escalation through unknown vectors. The issue manifests when the agent operates under unspecified configurations that fail to properly restrict access to JMX endpoints, thereby compromising the security boundaries of the java runtime environment. Such exposure enables local adversaries to enumerate and potentially interact with management interfaces that should remain restricted to authorized administrators. The vulnerability directly impacts the principle of least privilege and demonstrates inadequate access control mechanisms within the thermostat software ecosystem.
The technical implementation of this vulnerability involves the thermostat agent's failure to properly isolate JMX management URLs from unauthorized local access. When operating under default or improperly configured settings, the agent fails to implement appropriate authentication and authorization checks before exposing JMX endpoints to local processes. This flaw allows attackers to discover management interfaces through enumeration techniques that leverage the agent's insufficient access controls. The unspecified vectors suggest that the attack methodology may involve process discovery, port scanning, or other reconnaissance methods that exploit the agent's failure to properly secure JMX endpoints. The vulnerability operates at the system level, where local users can leverage the agent's functionality to gain elevated privileges through manipulation of JMX interfaces. This represents a classic case of insufficient access control where the security boundary between legitimate management interfaces and unauthorized local access has been compromised.
The operational impact of CVE-2014-8120 extends beyond simple information disclosure, as it enables privilege escalation capabilities that can lead to complete system compromise. Local users who exploit this vulnerability can potentially gain administrative access to java applications managed through JMX interfaces, allowing them to modify application behavior, extract sensitive data, or perform destructive operations. The exposure of JMX management URLs provides attackers with potential access to critical system management functions including memory inspection, thread manipulation, and configuration changes that can severely impact system integrity. This vulnerability particularly affects environments where multiple java applications are running locally and where JMX interfaces are enabled for monitoring purposes. The risk is amplified in enterprise environments where java applications may be running with elevated privileges, making the potential impact of JMX interface compromise significantly more severe. Organizations may face regulatory compliance issues and security audit failures due to this vulnerability's exposure of management interfaces to unauthorized local access.
Mitigation strategies for CVE-2014-8120 should prioritize immediate patching of affected thermostat agent versions to 1.0.6 or later, which addresses the configuration issues that allow unauthorized JMX interface access. System administrators should implement strict access control policies that limit JMX interface exposure to authorized users only, ensuring that management interfaces are not accessible to local users without proper authentication. The implementation of network segmentation and firewall rules can help restrict access to JMX ports to specific trusted hosts, preventing unauthorized enumeration of management interfaces. Security monitoring should be enhanced to detect unusual access patterns to JMX endpoints, particularly from local accounts that may attempt to exploit this vulnerability. Organizations should conduct comprehensive vulnerability assessments to identify all instances of the affected thermostat agent and ensure proper configuration of JMX interfaces with appropriate authentication mechanisms. The remediation process should include disabling unnecessary JMX interfaces where possible and implementing proper privilege separation to ensure that local users cannot escalate privileges through management interface access. This vulnerability aligns with CWE-284 which addresses inadequate access control and represents a significant concern under the ATT&CK framework category of privilege escalation through system interfaces.