CVE-2022-36639 in Garage Management System
Summary
by MITRE • 09/03/2022
A stored cross-site scripting (XSS) vulnerability in /client.php of Garage Management System v1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the name parameter.
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Analysis
by VulDB Data Team • 10/13/2022
The vulnerability identified as CVE-2022-36639 represents a critical stored cross-site scripting flaw within the Garage Management System version 1.0, specifically affecting the client.php component. This type of vulnerability falls under CWE-79 which defines improper neutralization of input during web page generation, creating a pathway for malicious actors to inject persistent script code into web applications. The flaw manifests when the application fails to properly sanitize or escape user-supplied input before rendering it within web pages, allowing attackers to inject malicious scripts that persist in the application's database and execute whenever the affected content is displayed to other users.
The technical exploitation of this vulnerability occurs through manipulation of the name parameter within the client.php script, where user input is directly incorporated into HTML output without adequate validation or sanitization measures. When an attacker submits a crafted payload containing malicious JavaScript code through the name field, this content gets stored in the system's database and subsequently rendered to other users who view the client information. The stored nature of this vulnerability means that the malicious script executes automatically whenever legitimate users access the affected page, making it particularly dangerous as it can affect multiple victims without requiring repeated exploitation attempts.
The operational impact of CVE-2022-36639 extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. Attackers can leverage this vulnerability to steal user sessions, potentially gaining unauthorized access to administrative functions or sensitive vehicle management data. The attack surface is particularly concerning given that the vulnerability affects a core client management component of the garage system, which likely contains sensitive information about vehicle owners, service records, and potentially financial data. This aligns with ATT&CK technique T1531 which describes the use of malicious code to steal credentials, and T1566 which covers social engineering tactics through malicious payloads.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term prevention measures. The primary fix involves implementing proper input validation and output encoding mechanisms throughout the application's data handling pipeline, specifically ensuring that all user-supplied data is sanitized before being stored or rendered. This includes implementing proper HTML escaping routines, employing Content Security Policy headers, and validating input length and character sets against acceptable patterns. Organizations should also consider implementing web application firewalls to detect and block suspicious payloads, while establishing comprehensive logging and monitoring to identify potential exploitation attempts. Regular security assessments and code reviews should be conducted to prevent similar vulnerabilities from emerging in other components of the application, with particular attention to any user-input handling functions that may be susceptible to similar injection attacks. The vulnerability demonstrates the critical importance of input validation in web applications and aligns with industry best practices outlined in OWASP Top Ten and NIST Cybersecurity Framework guidelines for preventing injection vulnerabilities.