CVE-2018-7216 in Bravo Tejari Procurement Portal
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in esop/toolkit/profile/regData.do in Bravo Tejari Procurement Portal allows remote authenticated users to hijack the authentication of application users for requests that modify their personal data by leveraging lack of anti-CSRF tokens.
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Analysis
by VulDB Data Team • 02/13/2025
The CVE-2018-7216 vulnerability represents a critical cross-site request forgery flaw within the Bravo Tejari Procurement Portal's esop/toolkit/profile/regData.do component. This vulnerability specifically targets the portal's authentication mechanisms and exposes it to unauthorized modifications of user profiles. The flaw stems from the absence of proper anti-CSRF token implementation in the affected endpoint, which allows malicious actors to exploit the system's trust in authenticated sessions. The vulnerability affects authenticated users who are logged into the procurement portal, making it particularly dangerous as it operates within the context of legitimate user sessions.
The technical implementation of this vulnerability occurs at the application layer where the regData.do endpoint fails to validate the presence of anti-CSRF tokens before processing requests that modify user personal data. When an authenticated user visits a malicious website or clicks on a crafted link, the attacker can construct a forged request that appears legitimate to the portal's backend because the session token is present but the anti-CSRF token is missing. This creates a scenario where the portal processes the request as if it originated from the legitimate user, effectively enabling session hijacking. The vulnerability is classified as a CWE-352 weakness, specifically representing a Cross-Site Request Forgery vulnerability that undermines the application's integrity protection mechanisms.
The operational impact of this vulnerability extends beyond simple data modification, as it compromises the fundamental security assumptions of the procurement portal's user authentication system. An attacker could potentially modify user profiles, change personal information, reset passwords, or manipulate access permissions without the victim's knowledge. This vulnerability directly violates the principle of least privilege and can lead to unauthorized access to procurement functionalities, financial data, or sensitive business information. The attack vector requires minimal sophistication, as it only requires the attacker to have access to a victim's authenticated session, which can be achieved through social engineering or by compromising the victim's browser environment.
Mitigation strategies for CVE-2018-7216 should focus on implementing robust anti-CSRF protection mechanisms throughout the application's architecture. The most effective solution involves integrating anti-CSRF tokens that are generated per session and validated on each state-modifying request. These tokens should be unique to each user session and regenerated upon authentication. Additionally, implementing the SameSite cookie attributes can provide an additional layer of protection by preventing cookies from being sent in cross-site requests. Organizations should also consider implementing proper request origin validation and ensuring that all user profile modification endpoints require proper token validation before processing any changes. The mitigation approach aligns with ATT&CK technique T1548.002 which focuses on bypassing application security controls, and addresses the core security principle of ensuring that all requests are properly authenticated and authorized before processing sensitive operations.