CVE-2022-43422 in Topaz Utilities Plugin
Summary
by MITRE • 10/19/2022
Jenkins Compuware Topaz Utilities Plugin 1.0.8 and earlier implements an agent/controller message that does not limit where it can be executed, allowing attackers able to control agent processes to obtain the values of Java system properties from the Jenkins controller process.
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Analysis
by VulDB Data Team • 05/09/2025
The vulnerability identified as CVE-2022-43422 affects the Jenkins Compuware Topaz Utilities Plugin version 1.0.8 and earlier, presenting a critical security risk within Jenkins environments that utilize this specific plugin. This issue stems from improper implementation of agent/controller communication mechanisms within the plugin's architecture, creating a pathway for privilege escalation and information disclosure attacks. The flaw specifically manifests in how the plugin handles messages exchanged between Jenkins agents and the controller process, failing to properly validate or restrict execution contexts.
The technical implementation of this vulnerability resides in the plugin's message handling system where it fails to enforce proper boundaries for where controller messages can be executed. When an attacker gains control of a Jenkins agent process, they can leverage this flaw to execute malicious controller messages that bypass normal security restrictions. This allows the attacker to extract Java system properties from the Jenkins controller process, effectively enabling information disclosure attacks that can reveal sensitive configuration details, environment variables, and potentially other system-level information that could aid in further exploitation attempts.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the ability to gather critical system information that could be used for advanced attack vectors. The extracted Java system properties may include details about the Java runtime environment, system architecture, network configurations, and other sensitive metadata that could help adversaries craft more sophisticated attacks. This vulnerability particularly affects organizations that rely heavily on Jenkins for continuous integration and deployment workflows, where the Jenkins controller typically holds elevated privileges and contains sensitive operational data.
Security implications of CVE-2022-43422 align with CWE-284 Access Control Issues and CWE-200 Information Disclosure, as the vulnerability represents both improper access control mechanisms and information exposure through inadequate message validation. From an ATT&CK framework perspective, this vulnerability maps to T1059 Command and Scripting Interpreter and T1083 File and Directory Discovery, as attackers can leverage the compromised agent to execute commands on the controller and discover system properties. The vulnerability also relates to T1566 Impairing Defenses, as it allows attackers to bypass security controls that normally would prevent unauthorized access to controller processes.
Organizations should immediately upgrade to Jenkins Compuware Topaz Utilities Plugin version 1.0.9 or later, which contains the necessary fixes for this vulnerability. System administrators should also implement network segmentation to limit agent-controller communication to trusted environments only, and conduct thorough security audits of all Jenkins plugins to identify similar implementation flaws. Additional mitigations include implementing strict access controls for Jenkins agents, monitoring for unusual agent-to-controller communication patterns, and regularly reviewing plugin configurations to ensure proper security boundaries are maintained. The vulnerability demonstrates the importance of proper input validation and execution context management in distributed systems where agents and controllers interact, highlighting the need for comprehensive security testing of plugin architectures within continuous integration platforms.