CVE-2022-37153 in Artica
Summary
by MITRE • 08/24/2022
An issue was discovered in Artica Proxy 4.30.000000. There is a XSS vulnerability via the password parameter in /fw.login.php.
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Analysis
by VulDB Data Team • 09/25/2022
The vulnerability identified as CVE-2022-37153 represents a cross-site scripting flaw within Artica Proxy version 4.30.000000 that specifically targets the password parameter handling in the /fw.login.php endpoint. This issue exposes the system to potential exploitation by malicious actors who can inject malicious scripts into the authentication interface. The vulnerability stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within the web application's response. The affected parameter resides within the login process where user credentials are processed, creating a prime vector for attacker exploitation. This type of vulnerability falls under CWE-79 which categorizes cross-site scripting flaws as weaknesses in web applications that allow malicious scripts to execute in the context of other users' browsers.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing script code within the password parameter during the login process. When the application processes this input without proper sanitization, the malicious script gets executed in the victim's browser session, potentially allowing attackers to hijack sessions, steal cookies, or perform actions on behalf of authenticated users. The attack vector is particularly concerning because it targets the login interface, which is a critical component of any security system where legitimate users regularly interact with the application. The vulnerability demonstrates poor security practices in input validation and output encoding, which are fundamental principles in preventing XSS attacks according to OWASP top ten security practices. Attackers can leverage this weakness to establish persistent access to the proxy system, potentially compromising the entire network security infrastructure that the Artica Proxy is designed to protect.
The operational impact of CVE-2022-37153 extends beyond simple script execution as it fundamentally undermines the trust model of the authentication system. An attacker who successfully exploits this vulnerability could gain unauthorized access to the proxy configuration, modify security policies, or redirect traffic through malicious endpoints. The consequences are particularly severe in enterprise environments where Artica Proxy serves as a critical security gateway, potentially allowing attackers to bypass network security controls and establish persistent backdoors. This vulnerability also creates opportunities for privilege escalation attacks where attackers might leverage the XSS to perform administrative actions within the proxy interface. The attack surface is broadened because the login page typically has access to sensitive system information and configuration data, making it an attractive target for attackers seeking to compromise the overall security posture of the organization.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The primary fix involves implementing proper input validation and output encoding mechanisms that sanitize all user-supplied data before processing or rendering within the web application. This includes implementing Content Security Policy headers, using proper HTML escaping for all dynamic content, and ensuring that all parameters including the password field are properly validated against expected input patterns. Organizations should also implement web application firewalls to detect and block suspicious payloads attempting to exploit this vulnerability. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities in other components of the Artica Proxy system. Additionally, implementing proper security monitoring and incident response procedures will help detect exploitation attempts and minimize potential damage from successful attacks. The vulnerability highlights the importance of following secure coding practices and adhering to industry standards such as those defined in the OWASP Secure Coding Practices and NIST Cybersecurity Framework.