CVE-2022-3772 in easyii
Summary
by MITRE • 10/31/2022
A vulnerability, which was classified as problematic, was found in easyii CMS. Affected is an unknown function of the file /admin/sign/out. The manipulation leads to cross-site request forgery. It is possible to launch the attack remotely. VDB-212502 is the identifier assigned to this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/26/2022
This cross-site request forgery vulnerability in easyii CMS represents a critical security flaw that allows attackers to perform unauthorized actions on behalf of authenticated users. The vulnerability specifically resides in the /admin/sign/out function, which handles administrative logout operations, making it particularly dangerous as it targets the core authentication mechanisms of the content management system. The flaw enables remote exploitation without requiring user interaction beyond accessing a malicious webpage, as demonstrated by the vulnerability identifier VDB-212502 assigned by the Vulnerability Database.
The technical implementation of this CSRF vulnerability stems from the absence of proper anti-CSRF tokens or validation mechanisms within the logout function. When users navigate to the admin sign out endpoint, the application fails to verify the authenticity of the request origin, allowing malicious actors to craft specially crafted requests that can trigger unintended administrative actions. This weakness directly maps to CWE-352, which specifically addresses Cross-Site Request Forgery vulnerabilities in web applications. The vulnerability's classification as remotely exploitable means that attackers can leverage this flaw through social engineering campaigns, phishing attacks, or by embedding malicious links within compromised websites.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can potentially enable complete administrative control over affected CMS instances. An attacker who successfully exploits this CSRF flaw could not only log out legitimate users but also perform other administrative functions such as modifying content, adding new users, changing system configurations, or even deleting critical files. This represents a significant threat to website integrity and data security, particularly for organizations relying on easyii CMS for their web presence. The vulnerability's remote exploitation capability eliminates the need for physical access or local network presence, making it extremely dangerous in modern threat landscapes.
Organizations should implement comprehensive mitigations including immediate patching of the affected CMS version, implementing proper CSRF token validation mechanisms, and conducting thorough security audits of all administrative endpoints. The mitigation strategies should align with ATT&CK framework's T1548.002 technique for Defense Evasion through credential access, as this vulnerability essentially allows unauthorized credential usage and administrative privileges. Additional protective measures include enforcing Content Security Policy headers, implementing proper session management, and deploying web application firewalls to detect and block suspicious cross-site requests. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the CMS ecosystem.