CVE-2018-1000109 in Google Play Android Publisher Plugin
Summary
by MITRE
An improper authorization vulnerability exists in Jenkins Google Play Android Publisher Plugin version 1.6 and earlier in GooglePlayBuildStepDescriptor.java that allow an attacker to obtain credential IDs.
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Analysis
by VulDB Data Team • 07/16/2020
The vulnerability identified as CVE-2018-1000109 represents a critical improper authorization flaw within the Jenkins Google Play Android Publisher Plugin ecosystem. This weakness specifically resides in the GooglePlayBuildStepDescriptor.java file of plugin versions 1.6 and earlier, creating a significant security risk for organizations that rely on Jenkins for their Android application deployment workflows. The issue stems from inadequate access control mechanisms that fail to properly validate user permissions before exposing sensitive credential identifiers.
The technical nature of this vulnerability aligns with CWE-285, which addresses improper authorization within software systems. Attackers exploiting this weakness can bypass normal authentication procedures to obtain credential IDs that are typically restricted to authorized administrators or specific user roles. This flaw essentially allows unprivileged users to access sensitive information that should remain protected within the Jenkins environment, potentially enabling them to gain unauthorized access to Google Play developer accounts and associated application publishing capabilities. The vulnerability's impact extends beyond simple credential exposure as it creates a potential entry point for more extensive attacks targeting the entire Jenkins infrastructure.
From an operational perspective, this vulnerability poses substantial risks to organizations using Jenkins for Android application deployment processes. The exposure of credential IDs enables attackers to potentially compromise entire application publishing pipelines, leading to unauthorized application modifications, malicious code injection, or complete loss of control over application distribution channels. The attack surface becomes particularly dangerous when considering that Jenkins environments often contain multiple plugins and integrations, making credential exposure a potential gateway for lateral movement within the system. Security teams face the challenge of identifying and remediating this vulnerability across potentially numerous Jenkins instances that may be running outdated plugin versions.
The remediation approach for this vulnerability requires immediate action including upgrading the Google Play Android Publisher Plugin to version 1.7 or later where the authorization flaw has been addressed. Organizations should implement comprehensive plugin management policies that include regular security assessments and automated update mechanisms to prevent such vulnerabilities from persisting in production environments. Additionally, security controls should be enhanced through proper access logging and monitoring of credential access patterns, as recommended by the ATT&CK framework's privilege escalation techniques. System administrators must also conduct thorough security reviews of all Jenkins plugins to identify similar authorization weaknesses that could be exploited in similar fashion, ensuring that the principle of least privilege is properly enforced throughout the Jenkins environment.