CVE-2024-5887 in devika
Summary
by MITRE • 07/03/2024
A Cross-Site Request Forgery (CSRF) vulnerability exists in stitionai/devika due to a loosely set CORS policy. This vulnerability allows an attacker to exploit any API endpoint if the user hosting the server visits an attacker-controlled website. The impact includes the ability to read and write files on the system, create or delete projects, and change settings. However, it does not allow sending messages or commands to the model via WebSocket.
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Analysis
by VulDB Data Team • 07/17/2024
This Cross-Site Request Forgery vulnerability in stitionai/devika represents a critical security flaw that stems from an overly permissive Cross-Origin Resource Sharing policy implementation. The loosely configured CORS headers create an attack surface that enables malicious actors to leverage legitimate user sessions for unauthorized operations against the targeted system. The vulnerability operates under the principle that when a user visits an attacker-controlled website while authenticated to the devika server, the browser will automatically include any relevant authentication cookies or tokens with requests made to the vulnerable API endpoints. This fundamental misconfiguration allows attackers to perform actions on behalf of authenticated users without their knowledge or consent, creating a significant risk to system integrity and data confidentiality.
The technical exploitation of this CSRF vulnerability demonstrates how insufficient CORS policy enforcement can lead to severe operational consequences within web applications. When a user accesses a malicious website, the attacker can craft requests that target the devika API endpoints using the victim's browser context, effectively hijacking their authenticated session. The specific capabilities available through this attack vector include unauthorized file system operations, project management functions, and system configuration changes. This exploitation model aligns with CWE-352, which defines Cross-Site Request Forgery as a vulnerability where a malicious website can cause a user to perform actions they did not intend to execute. The vulnerability essentially removes the authentication boundary that should exist between legitimate API usage and unauthorized access.
The operational impact of this vulnerability extends beyond simple data theft or modification, encompassing complete system compromise through file system manipulation and project management control. Attackers could potentially read sensitive configuration files, modify existing projects, delete critical data, or create new projects with malicious content that could persist on the system. The restriction that prevents WebSocket communication commands indicates that while the core functionality of the model itself remains protected, the broader administrative capabilities of the application are exposed to unauthorized manipulation. This limitation suggests that the vulnerability affects primarily the REST API endpoints rather than real-time communication channels, but still maintains sufficient attack surface to cause substantial damage to system operations and data integrity.
Security mitigation strategies should focus on implementing robust CSRF protection mechanisms including anti-CSRF tokens for all state-changing operations, proper CORS policy enforcement with specific origin restrictions, and session management improvements. Organizations should enforce the use of same-site cookies and implement proper origin validation for API requests to prevent unauthorized cross-origin access attempts. The vulnerability highlights the importance of adhering to security best practices outlined in the OWASP Top Ten and following ATT&CK framework guidance for web application security, particularly focusing on mitigations related to session management and cross-origin resource sharing. Additionally, implementing request validation and origin checking mechanisms can effectively prevent this class of vulnerability while maintaining legitimate application functionality.
The presence of this vulnerability also demonstrates the broader challenge of securing modern web applications where multiple attack vectors exist simultaneously. While the WebSocket communication remains protected from this specific exploit, the overall security posture is weakened by the permissive CORS configuration that allows unauthorized access to core administrative functions. This situation emphasizes the need for comprehensive security testing and continuous monitoring of application interfaces to identify and remediate similar configuration flaws that could expose critical system components to unauthorized manipulation. The vulnerability serves as a reminder that proper security implementation requires attention to all aspects of application design, including origin validation, authentication mechanisms, and authorization controls that work together to maintain system integrity.