CVE-2019-10308 in Static Analysis Utilities Plugin
Summary
by MITRE
A missing permission check in Jenkins Static Analysis Utilities Plugin 1.95 and earlier in the DefaultGraphConfigurationView#doSave form handler method allowed attackers with Overall/Read permission to change the per-job default graph configuration for all users.
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Analysis
by VulDB Data Team • 09/11/2023
The vulnerability identified as CVE-2019-10308 resides within the Jenkins Static Analysis Utilities Plugin, specifically affecting versions 1.95 and earlier. This issue represents a critical permission bypass flaw that undermines the security model of the Jenkins continuous integration platform. The vulnerability manifests in the DefaultGraphConfigurationView#doSave form handler method where proper authorization checks are absent, creating a scenario where unprivileged users can manipulate system-wide configuration settings.
The technical flaw stems from a missing permission check within the form handler implementation that processes graph configuration changes. When attackers possess only the Overall/Read permission, which is typically considered a low-privilege access level, they can exploit this vulnerability to modify the default graph configuration that applies to all jobs within the Jenkins instance. This represents a classic privilege escalation vulnerability where a user with read-only access can perform actions that should require higher privileges. The flaw directly violates the principle of least privilege and demonstrates inadequate access control implementation within the plugin's administrative interfaces.
The operational impact of this vulnerability extends beyond simple configuration changes, as it allows attackers to potentially influence the monitoring and analysis capabilities across the entire Jenkins environment. By modifying default graph configurations, attackers can alter how static analysis results are visualized and presented to users, potentially masking security issues or creating misleading dashboards that could hinder security operations. This vulnerability affects the integrity and trustworthiness of the static analysis reporting system, which is crucial for maintaining code quality and security posture in development environments. The attack vector is particularly concerning as it requires minimal privileges to exploit, making it accessible to users who should not have the ability to modify system-wide settings.
Security professionals should recognize this vulnerability as a violation of CWE-284, which addresses improper access control mechanisms, and aligns with ATT&CK technique T1068 for exploit for privilege escalation. The vulnerability demonstrates how seemingly minor implementation oversights in access control can create significant security risks within complex software ecosystems. Organizations running affected Jenkins versions should immediately implement mitigations including upgrading to patched plugin versions, implementing additional access controls, and conducting comprehensive security reviews of all plugins to identify similar permission bypass issues. The incident underscores the critical importance of thorough security testing and validation of access control mechanisms within enterprise automation platforms.