CVE-2022-3065 in drawio
Summary
by MITRE • 09/02/2022
Improper Access Control in GitHub repository jgraph/drawio prior to 20.2.8.
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Analysis
by VulDB Data Team • 10/11/2022
The vulnerability identified as CVE-2022-3065 represents a critical improper access control flaw discovered in the jgraph/drawio repository, which is a widely used diagramming tool hosted on GitHub. This repository serves as the primary codebase for the drawio desktop application and web-based diagramming platform that millions of users rely on for creating various types of technical diagrams and flowcharts. The vulnerability specifically affects versions prior to 20.2.8, indicating that the access control mechanisms were insufficiently implemented or configured to properly restrict unauthorized access to sensitive functionalities within the application. The flaw stems from inadequate validation of user permissions and authentication checks that should have prevented unauthorized individuals from accessing restricted features or data within the system.
The technical implementation of this access control vulnerability manifests through the failure of proper authorization checks within the application's backend services and frontend interfaces. Attackers could exploit this weakness to bypass intended security boundaries and gain access to functionality or data that should only be available to authenticated users with appropriate privileges. The vulnerability likely involves insufficient validation of user sessions, missing permission checks on critical API endpoints, or flawed authentication state management that allows malicious actors to escalate their privileges or access restricted resources. This type of flaw directly relates to CWE-285, which categorizes improper access control issues, and can be mapped to ATT&CK technique T1078 for valid accounts and T1566 for social engineering approaches that could exploit such weaknesses. The impact extends beyond simple unauthorized access as it can potentially enable attackers to manipulate diagram data, access sensitive information, or even execute arbitrary code depending on the scope of the affected components.
The operational implications of CVE-2022-3065 pose significant risks to organizations and individuals who depend on the drawio platform for their diagramming needs. Since drawio is commonly used in enterprise environments for creating technical documentation, network diagrams, and system architecture visualizations, unauthorized access could potentially expose sensitive business information, intellectual property, or system configurations. The vulnerability's exploitation could lead to data integrity issues, unauthorized modifications to critical diagrams, or even serve as a foothold for more extensive attacks within organizational networks. Organizations using the affected versions may experience unauthorized access to their diagram repositories, potentially compromising the security of their technical documentation and architectural designs. The threat landscape is particularly concerning given that drawio is used across various industries including finance, healthcare, and technology sectors where diagram security and access control are paramount for maintaining business continuity and regulatory compliance.
Organizations should immediately upgrade to version 20.2.8 or later to remediate this vulnerability, as this represents the official patch release that addresses the improper access control issues. System administrators should conduct thorough vulnerability assessments to identify any potential exploitation attempts or unauthorized access patterns that may have occurred during the vulnerable period. Additional mitigations include implementing network segmentation to limit access to the drawio services, enabling multi-factor authentication where available, and conducting regular security audits of the application's access control mechanisms. The remediation process should also involve reviewing and strengthening authentication protocols, implementing proper session management, and ensuring that all API endpoints perform adequate authorization checks before processing user requests. Security teams should monitor for any indicators of compromise related to the drawio platform and consider implementing automated security scanning tools to detect similar access control vulnerabilities in other applications and services within their infrastructure.