CVE-2016-9008 in UrbanCode Deploy
Summary
by MITRE
IBM UrbanCode Deploy could allow a malicious user to access the Agent Relay ActiveMQ Broker JMX interface and run plugins on the agent.
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Analysis
by VulDB Data Team • 02/02/2017
The vulnerability identified as CVE-2016-9008 affects IBM UrbanCode Deploy, a comprehensive application deployment and release automation platform that enables organizations to manage complex deployment processes across diverse environments. This security flaw resides within the Agent Relay component of the UrbanCode Deploy architecture, specifically concerning the ActiveMQ Broker JMX interface that facilitates management and monitoring capabilities for the messaging infrastructure. The vulnerability represents a critical access control weakness that could be exploited by unauthorized actors to gain elevated privileges and execute arbitrary code within the agent environment.
The technical implementation of this vulnerability stems from insufficient authentication and authorization controls within the ActiveMQ Broker JMX interface. The Agent Relay component in UrbanCode Deploy utilizes ActiveMQ as its messaging backbone, and the JMX interface provides administrative access to monitor and manage the broker's operational parameters. Malicious users who can establish connections to the Agent Relay service can potentially exploit weak access controls to gain access to this JMX interface, which then allows them to execute plugins and commands directly on the agent system. This represents a classic privilege escalation vulnerability where an attacker can leverage legitimate administrative interfaces to perform unauthorized operations.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates a persistent backdoor that could be exploited to compromise entire deployment environments. When an attacker gains access to the JMX interface, they can execute arbitrary plugins that may be designed to perform various malicious activities including data exfiltration, system reconnaissance, privilege escalation, or even deployment of additional malware. The attack surface is particularly concerning because the agent relay system typically operates with elevated privileges necessary for deployment operations, making successful exploitation potentially devastating for organizations relying on UrbanCode Deploy for their application release processes. This vulnerability aligns with CWE-287 which addresses improper authentication issues and could be categorized under ATT&CK technique T1059 for command and scripting interpreter, as well as T1078 for valid accounts and T1068 for exploit for privilege escalation.
Organizations affected by this vulnerability should immediately implement several mitigation strategies to protect their UrbanCode Deploy environments. The primary recommendation involves strengthening authentication mechanisms around the ActiveMQ Broker JMX interface by implementing proper access controls, network segmentation, and restricting direct access to the JMX endpoints. Additionally, organizations should ensure that the Agent Relay service operates with minimal required privileges and that network access to the broker interfaces is restricted to authorized management systems only. Regular monitoring of JMX interface access logs should be implemented to detect anomalous activities, and patch management procedures should be established to ensure timely application of vendor security updates. The remediation approach should also include network-level controls such as firewall rules that restrict access to the specific ports used by ActiveMQ and JMX interfaces, effectively reducing the attack surface and preventing unauthorized access to these critical administrative interfaces.