CVE-2023-2633 in Code Dx Plugin
Summary
by MITRE • 05/16/2023
Jenkins Code Dx Plugin 3.1.0 and earlier does not mask Code Dx server API keys displayed on the configuration form, increasing the potential for attackers to observe and capture them.
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Analysis
by VulDB Data Team • 05/17/2023
The vulnerability identified as CVE-2023-2633 affects the Jenkins Code Dx Plugin version 3.1.0 and earlier, presenting a significant security risk through improper handling of sensitive authentication credentials. This issue manifests when the plugin displays Code Dx server API keys directly on the Jenkins configuration form, creating an exposure vector that violates fundamental security principles of credential management and access control. The flaw represents a failure in input validation and output sanitization practices that are essential for protecting sensitive information within enterprise automation platforms.
From a technical perspective, this vulnerability constitutes a credential exposure issue that directly violates security best practices and industry standards including CWE-209, which addresses "Information Exposure Through an Error Message," and CWE-522, which covers "Insufficiently Protected Credentials." The plugin's configuration interface fails to implement proper masking or obfuscation mechanisms for API keys, allowing them to be visible in plain text to any user with access to the Jenkins configuration pages. This exposure occurs at the user interface level where sensitive data should be protected through appropriate input field masking or password-like behaviors that obscure credential values from view.
The operational impact of this vulnerability extends beyond simple credential exposure, creating potential attack vectors that align with ATT&CK technique T1555.003, which focuses on "Credentials from Password Stores." An attacker who gains access to the Jenkins system or has sufficient privileges to view configuration forms could immediately capture the API keys and use them to authenticate to the Code Dx server. This compromise could lead to unauthorized access to security scanning results, modification of scan configurations, or even complete control over the Code Dx server if the API keys provide administrative privileges. The vulnerability is particularly concerning in enterprise environments where Jenkins typically serves as a central automation hub with elevated privileges and access to multiple systems.
Mitigation strategies for CVE-2023-2633 should prioritize immediate remediation through plugin version updates to 3.1.1 or later, which address the credential exposure issue through proper input field masking. Organizations should also implement additional protective measures including regular privilege reviews, monitoring for unauthorized access to Jenkins configuration pages, and implementing network segmentation to limit access to Jenkins servers. Security teams should conduct comprehensive vulnerability assessments to identify any other plugins or systems that may exhibit similar credential exposure behaviors, particularly those handling authentication tokens or API keys. The remediation process should include verification that the updated plugin properly masks API keys in configuration forms and that no sensitive information is displayed in plain text within user interfaces. Additionally, organizations should establish policies requiring regular credential rotation and implement automated monitoring to detect potential exposure of sensitive information in system interfaces.