CVE-2017-17891 in Video Sharing Script
Summary
by MITRE
Readymade Video Sharing Script has CSRF via user-profile-edit.php.
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Analysis
by VulDB Data Team • 12/18/2019
The vulnerability identified as CVE-2017-17891 affects the Readymade Video Sharing Script, a web application designed for video hosting and sharing platforms. This particular flaw resides within the user profile editing functionality, specifically in the user-profile-edit.php component of the application. The issue represents a critical security weakness that allows attackers to exploit Cross-Site Request Forgery mechanisms without proper authentication or authorization controls. The vulnerability stems from the application's failure to implement adequate anti-CSRF tokens or validation measures when processing profile modification requests, making it susceptible to unauthorized changes by malicious actors who can craft malicious requests on behalf of authenticated users.
The technical implementation of this vulnerability occurs through the absence of proper request validation mechanisms within the user-profile-edit.php script. When users access the profile editing interface, the application should validate that requests originate from legitimate user sessions and contain appropriate security tokens to prevent unauthorized modifications. However, the script fails to enforce such protections, allowing attackers to construct crafted HTTP requests that can modify user profile information including personal details, contact information, or account settings. This weakness operates at the application layer and leverages the trust relationship between the web application and authenticated users, enabling attackers to perform actions that users are authorized to perform but without their knowledge or consent.
The operational impact of this vulnerability extends beyond simple profile modifications and can lead to significant security consequences within the video sharing platform. An attacker who successfully exploits this CSRF vulnerability can alter user account details, potentially changing email addresses, usernames, or other profile information to facilitate further attacks. The vulnerability also creates opportunities for account takeover scenarios where attackers might modify account settings to gain persistent access or redirect user accounts to malicious endpoints. Additionally, the compromised user profiles could be used to spread malware, phishing content, or other malicious activities within the platform's user community, potentially affecting the reputation and integrity of the entire video sharing service.
Security professionals should implement comprehensive mitigations to address this CSRF vulnerability in the Readymade Video Sharing Script. The primary remediation involves implementing robust anti-CSRF token mechanisms that are generated for each user session and validated on every profile modification request. These tokens should be unique per session and properly validated before any profile changes are processed. Additionally, the application should enforce strict session management controls, including proper session timeout mechanisms and secure cookie attributes to prevent session hijacking attacks that could compound the CSRF vulnerability. The implementation should follow established security standards such as those defined in CWE-352, which specifically addresses Cross-Site Request Forgery vulnerabilities, and align with ATT&CK framework techniques related to privilege escalation and credential access through web application exploitation. Organizations should also conduct regular security assessments and penetration testing to identify similar vulnerabilities in other components of the web application, ensuring comprehensive protection against session management and authentication-related threats.