CVE-2023-3794 in ChainCity Real Estate Investment Platform
Summary
by MITRE • 07/20/2023
A vulnerability classified as problematic has been found in Bug Finder ChainCity Real Estate Investment Platform 1.0. Affected is an unknown function of the file /chaincity/user/ticket/create of the component New Ticket Handler. The manipulation of the argument subject leads to cross site scripting. It is possible to launch the attack remotely. VDB-235062 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 08/15/2023
This vulnerability exists within the Bug Finder ChainCity Real Estate Investment Platform version 1.0, specifically affecting the New Ticket Handler component. The flaw is located in the /chaincity/user/ticket/create file where user input is processed without proper sanitization. The vulnerability is classified as a cross-site scripting issue that occurs when the subject parameter is manipulated by an attacker, allowing malicious code execution in the context of a victim's browser. This represents a critical security weakness that enables attackers to inject and execute arbitrary JavaScript code within the victim's browser session, potentially leading to session hijacking, data theft, or further exploitation of the application.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the ticket creation functionality. When users submit ticket information through the web interface, the subject field is not properly sanitized before being rendered back to the user or stored in the application's database. This allows attackers to inject malicious scripts that execute whenever the affected page is loaded or viewed by other users. The vulnerability is particularly concerning because it can be exploited remotely without requiring any special privileges or authentication, making it accessible to anyone who can access the application's ticket creation interface.
The operational impact of this cross-site scripting vulnerability is significant for the ChainCity platform and its users. Attackers could potentially steal user sessions, access sensitive real estate data, manipulate ticket information, or redirect users to malicious websites. The vulnerability undermines the integrity of the application's user interface and could lead to a complete compromise of user accounts if session tokens are exposed. Given that this is a real estate investment platform handling potentially sensitive financial information, the exposure of user data through this vector could result in substantial financial losses and regulatory compliance violations. The vulnerability also affects the platform's overall security posture and could be leveraged as a stepping stone for more advanced attacks against the system infrastructure.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms. The application should sanitize all user inputs, particularly the subject field, by removing or encoding potentially dangerous characters such as angle brackets, script tags, and other XSS attack vectors. Implementing Content Security Policy headers can provide additional protection against script execution, while proper input sanitization libraries should be integrated into the application's data handling processes. The development team should also consider implementing proper escape sequences when rendering user-generated content back to the browser. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify and remediate similar issues throughout the application lifecycle. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and could be categorized under ATT&CK technique T1566 for initial access through malicious content delivery, or T1059 for command and scripting interpreter execution through injected scripts.