CVE-2017-7571 in Faveo
Summary
by MITRE
public/rolechangeadmin in Faveo 1.9.3 allows CSRF. The impact is obtaining admin privileges.
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Analysis
by VulDB Data Team • 08/29/2025
The vulnerability identified as CVE-2017-7571 resides within the Faveo customer support system version 1.9.3, specifically within the public/rolechangeadmin functionality. This represents a critical cross-site request forgery vulnerability that enables attackers to escalate their privileges to administrative status without proper authentication. The flaw exists in how the application handles role modification requests, failing to implement adequate anti-CSRF protection mechanisms. Attackers can exploit this vulnerability by crafting malicious web pages or email attachments that, when visited or opened by an authenticated user, automatically submit requests to change user roles to administrator status. The vulnerability stems from the absence of proper CSRF tokens or validation checks that would normally verify the legitimacy of requests originating from the application's own interface.
This vulnerability directly maps to CWE-352, which defines Cross-Site Request Forgery as a weakness where an attacker can induce users to perform actions they did not intend to execute. The attack vector leverages the trust relationship between the web application and the user's browser, allowing unauthorized privilege escalation through manipulated requests. The impact extends beyond simple privilege elevation as it provides complete administrative control over the Faveo system, potentially enabling attackers to access sensitive customer data, modify system configurations, and execute further malicious activities within the compromised environment. The vulnerability is particularly dangerous because it requires no specialized knowledge of the underlying system architecture beyond basic web application exploitation techniques.
The operational impact of CVE-2017-7571 is severe for organizations utilizing Faveo 1.9.3, as successful exploitation can lead to complete system compromise and data breaches. Attackers can gain unauthorized access to customer support tickets, personal information, and system configuration details, potentially leading to regulatory compliance violations and significant financial losses. The vulnerability affects the application's integrity and availability, as compromised administrators could modify or delete critical system components. Organizations may also face reputational damage and legal consequences from unauthorized access to sensitive customer data, especially if the system handles personally identifiable information or protected health information. The exploitation process typically involves social engineering tactics to convince victims to click malicious links, making it particularly challenging to defend against through traditional perimeter security measures.
Mitigation strategies for CVE-2017-7571 should focus on implementing proper CSRF protection mechanisms within the application. The most effective approach involves incorporating anti-CSRF tokens into all state-changing requests, ensuring that each request contains a unique, unpredictable token that is validated server-side before processing. Organizations should also implement the SameSite cookie attributes to prevent cross-site request forgery attacks at the browser level. Additionally, the application should enforce proper authentication checks and implement rate limiting for role modification requests. Security patches and updates should be applied immediately upon availability, and organizations should conduct regular vulnerability assessments to identify similar weaknesses in other applications. Network segmentation and monitoring solutions should be employed to detect suspicious activity patterns that may indicate exploitation attempts. The implementation of these measures aligns with NIST SP 800-53 security controls and addresses specific ATT&CK techniques related to privilege escalation and credential access, ensuring comprehensive protection against similar vulnerabilities in the future.