CVE-2020-19159 in LaikeTui
Summary
by MITRE • 09/15/2021
Cross Site Request Forgery (CSRF) in LaikeTui v3 allows remote attackers to execute arbitrary code via the component '/index.php?module=member&action=add'.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/19/2021
The vulnerability identified as CVE-2020-19159 represents a critical cross site request forgery flaw within the LaikeTui v3 web application framework. This vulnerability exists in the member management component at the specific endpoint /index.php?module=member&action=add which allows unauthorized remote attackers to manipulate the application's functionality through crafted malicious requests. The flaw stems from the application's insufficient validation of request origins and lack of proper anti-CSRF token implementation in the member addition functionality. According to CWE-352, this vulnerability directly maps to Cross-Site Request Forgery, a well-documented web application security weakness that enables attackers to perform actions on behalf of authenticated users without their knowledge or consent. The attack vector leverages the fact that the application does not adequately verify the source of requests targeting the member addition module, making it susceptible to exploitation by malicious actors who can craft specially designed requests to manipulate user accounts or perform unauthorized operations.
The technical implementation of this vulnerability demonstrates a fundamental failure in the application's security controls, specifically around request validation and session management. When an authenticated user visits a malicious website or clicks on a compromised link, the attacker can construct a request that targets the vulnerable member addition endpoint. Without proper CSRF protection mechanisms such as anti-CSRF tokens, referer validation, or origin checking, the application processes these requests as legitimate user actions. This creates a scenario where attackers can programmatically add new members to the system, potentially gaining unauthorized access privileges, manipulating user data, or even executing arbitrary code through the member creation process. The vulnerability's classification under ATT&CK technique T1078.004 indicates it can be leveraged for legitimate credentials and use of services, allowing attackers to establish persistent access through compromised member accounts.
The operational impact of this vulnerability extends beyond simple data manipulation, as it can lead to complete system compromise and unauthorized access to sensitive user information. Attackers exploiting this flaw can create new user accounts with elevated privileges, potentially gaining administrative access to the LaikeTui v3 platform. The consequences include unauthorized data access, account takeovers, potential data exfiltration, and the ability to perform actions that should only be available to authorized administrators. The vulnerability's remote exploitability means attackers do not require physical access or local network presence to carry out attacks, making it particularly dangerous for web applications that handle sensitive user data. Organizations using this software face significant risk of unauthorized access and potential data breaches, especially in environments where member management functionality is critical to business operations. The vulnerability's presence in the core member management system suggests that attackers could potentially escalate privileges and access additional system components through the compromised user accounts.
Mitigation strategies for CVE-2020-19159 should focus on implementing robust CSRF protection mechanisms throughout the application. The primary remediation involves incorporating anti-CSRF tokens that are generated per user session and validated on each request to the vulnerable endpoint. These tokens should be unique for each user session and properly validated before processing any member addition requests. Additionally, implementing proper referer header validation and origin checking can provide additional layers of protection. Organizations should also consider implementing Content Security Policy (CSP) headers to restrict the sources from which requests can be made. The application should enforce strict input validation and ensure that all requests to the member management component require proper authentication and authorization checks. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other application components. According to industry best practices and NIST guidelines for web application security, this vulnerability should be addressed immediately through code-level fixes and security patches, as the combination of remote exploitability and potential privilege escalation makes it a high-priority security concern requiring immediate remediation.