CVE-2018-12273 in Ximdex
Summary
by MITRE
The /edit URI in the DMS component in Ximdex 4.0 has XSS via the Ciudad or Nombre parameter.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 03/27/2023
The vulnerability identified as CVE-2018-12273 represents a cross-site scripting flaw within the DMS component of Ximdex version 4.0, specifically affecting the /edit URI endpoint. This security weakness allows malicious actors to inject arbitrary JavaScript code through the Ciudad or Nombre parameters, creating a persistent threat vector that can compromise user sessions and data integrity. The vulnerability resides in the application's input validation mechanisms, where user-supplied data is not properly sanitized before being rendered in web responses. The affected parameters Ciudad and Nombre are commonly used for storing location and name information respectively, making them prime targets for injection attacks. This flaw demonstrates a critical failure in the application's security architecture, where basic input sanitization controls have been omitted or inadequately implemented.
The technical implementation of this vulnerability follows the classic XSS attack pattern where malicious payloads are submitted through the web interface and subsequently executed in the context of other users' browsers. When a user navigates to the affected /edit URI with malicious input in either the Ciudad or Nombre parameters, the application fails to encode or validate the input before displaying it on the page. This allows attackers to craft payloads that can execute within the victim's browser context, potentially stealing session cookies, redirecting users to malicious sites, or performing unauthorized actions on behalf of the victim. The vulnerability is classified under CWE-79 as "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", which is one of the most prevalent and well-documented web application security flaws. The attack surface is particularly concerning as it affects the core editing functionality of the DMS component, which is likely accessed by authenticated users with varying privilege levels.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable more sophisticated attack vectors such as session hijacking, credential theft, and data exfiltration. An attacker who successfully exploits this vulnerability can potentially gain access to sensitive information stored within the Ximdex system, including user credentials, document contents, and system configurations. The vulnerability affects all users who interact with the DMS editing interface, making it particularly dangerous in environments where multiple users collaborate on document management tasks. From an attacker perspective, this flaw represents a low-hanging fruit that can be exploited with minimal technical expertise, as it does not require authentication to test or exploit. The vulnerability also aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: JavaScript' which is part of the broader tactic of Execution, demonstrating how attackers can leverage web-based scripting to achieve their objectives.
Mitigation strategies for CVE-2018-12273 should focus on implementing robust input validation and output encoding mechanisms throughout the application. The primary remediation involves sanitizing all user-supplied input in the Ciudad and Nombre parameters before rendering them in web responses, utilizing proper HTML encoding techniques to prevent script execution. Organizations should implement Content Security Policy (CSP) headers to add an additional layer of protection against XSS attacks, restricting the sources from which scripts can be loaded. The recommended approach includes applying context-specific encoding based on where the data will be used, such as HTML encoding for display contexts and JavaScript encoding for script contexts. Additionally, regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities in other parts of the application. The fix should be implemented as a patch or upgrade to the Ximdex platform, ensuring that all affected versions receive the necessary security updates. Security teams should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability, while monitoring for any signs of exploitation attempts in system logs and network traffic analysis.