CVE-2020-12778 in iTop
Summary
by MITRE • 01/25/2023
Combodo iTop does not validate inputted parameters, attackers can inject malicious commands and launch XSS attack.
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Analysis
by VulDB Data Team • 01/25/2023
The vulnerability identified as CVE-2020-12778 affects Combodo iTop, a web-based IT service management platform that provides incident management, problem management, and change management capabilities. This security flaw resides in the application's insufficient input validation mechanisms, creating a pathway for malicious actors to exploit the system through cross-site scripting attacks. The vulnerability specifically impacts the platform's handling of user-supplied parameters within its web interface, where proper sanitization and validation processes are absent or inadequate.
This weakness represents a classic example of insufficient input validation, which maps directly to CWE-20, the primary weakness category for input validation issues. The vulnerability allows attackers to inject malicious JavaScript code through improperly validated parameters, enabling them to execute arbitrary scripts in the context of other users' browsers. The attack vector typically involves manipulating form fields, URL parameters, or API endpoints where user input is accepted without proper sanitization. When victims interact with the compromised application, the malicious scripts execute in their browser sessions, potentially leading to session hijacking, credential theft, or unauthorized access to sensitive information.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable more sophisticated attacks within the iTop environment. An attacker could leverage the XSS capability to steal user session cookies, redirect victims to malicious websites, or manipulate the application's functionality to gain unauthorized access to system resources. Given that iTop serves as an IT service management platform, the potential compromise of user sessions could lead to unauthorized access to critical infrastructure information, service requests, and administrative functions. The vulnerability affects the integrity and confidentiality of the platform's data, potentially exposing sensitive information about IT assets, service requests, and user credentials stored within the system.
Mitigation strategies for CVE-2020-12778 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. Organizations should deploy proper parameter validation routines that sanitize all user inputs before processing, utilize Content Security Policy (CSP) headers to limit script execution, and implement proper output encoding for all dynamic content. The remediation process requires thorough code review to identify all input points where user data enters the system, followed by the implementation of robust validation frameworks that can detect and block malicious input patterns. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to ensure that similar validation gaps do not exist in other parts of the application. Security teams should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts. The vulnerability aligns with several ATT&CK techniques including T1059.007 for scripting and T1566 for social engineering, highlighting the need for comprehensive defensive measures that address both technical and human factors in the attack chain.