CVE-2022-0245 in livehelperchat
Summary
by MITRE • 01/18/2022
Cross-Site Request Forgery (CSRF) in GitHub repository livehelperchat/livehelperchat prior to 2.0.
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Analysis
by VulDB Data Team • 01/20/2022
The vulnerability identified as CVE-2022-0245 represents a critical cross-site request forgery flaw discovered in the livehelperchat/livehelperchat repository prior to version 2.0. This type of vulnerability falls under the CWE-352 category, which specifically addresses Cross-Site Request Forgery attacks that occur when a web application fails to validate the origin of requests. The flaw allows malicious actors to trick authenticated users into executing unintended actions on a web application where they are currently authenticated. The vulnerability exists due to insufficient validation of request origins and lack of proper anti-CSRF token implementation within the application's request handling mechanisms.
The technical implementation of this CSRF vulnerability stems from the application's failure to properly verify the referer header or implement robust anti-CSRF tokens in its web forms and API endpoints. When users navigate to the vulnerable application and remain authenticated, attackers can craft malicious requests that appear to originate from legitimate user sessions. This occurs because the application does not adequately validate that requests are genuinely initiated by the authenticated user or that they come from the expected domain. The flaw is particularly dangerous because it can be exploited through various vectors including malicious web pages, email attachments, or compromised third-party sites that embed the vulnerable application's functionality.
The operational impact of this vulnerability extends beyond simple data manipulation or unauthorized access. An attacker could potentially perform administrative actions, modify user permissions, delete critical data, or even gain full control over the chat application's functionality. The vulnerability affects all users who have authenticated sessions with the application, making it particularly dangerous for systems that handle sensitive customer communications or business-critical chat interactions. Given that livehelperchat is commonly used for customer support and business communications, the potential for data breaches or service disruption is significant. The vulnerability also enables attackers to perform actions that would normally require legitimate user credentials, essentially allowing unauthorized privilege escalation through session hijacking techniques.
Organizations should implement immediate mitigations including the deployment of proper anti-CSRF tokens for all state-changing operations within the application. The solution involves generating unique tokens for each user session and validating these tokens on every request that modifies application state. Additionally, implementing proper referer header validation and utilizing the SameSite cookie attributes can significantly reduce the attack surface. The application should also enforce strict origin validation for API endpoints and ensure that all user-initiated actions are properly authenticated through multiple verification mechanisms. Compliance with industry standards such as OWASP Top Ten and NIST guidelines for web application security should be maintained to prevent similar vulnerabilities in future implementations. Regular security assessments and code reviews should be conducted to identify and remediate potential CSRF vulnerabilities before they can be exploited by malicious actors. The fix requires updating the application to version 2.0 or later, which includes proper CSRF protection mechanisms and validates request origins through robust authentication token verification processes.