CVE-2024-22567 in MCMS
Summary
by MITRE • 02/05/2024
File Upload vulnerability in MCMS 5.3.5 allows attackers to upload arbitrary files via crafted POST request to /ms/file/upload.do.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 02/29/2024
The vulnerability identified as CVE-2024-22567 represents a critical file upload flaw in MCMS version 5.3.5 that exposes systems to arbitrary code execution risks. This vulnerability resides within the file upload functionality of the MCMS application, specifically at the endpoint /ms/file/upload.do which processes incoming POST requests for file uploads. The flaw allows attackers to bypass normal file validation mechanisms and upload malicious files with potentially dangerous extensions or content. This type of vulnerability falls under CWE-434 which categorizes insecure file upload handling as a significant security weakness in web applications. The attack vector is particularly concerning as it requires only a crafted POST request to exploit the vulnerability, making it accessible to attackers with minimal technical expertise.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the file upload process. When the application receives a POST request to /ms/file/upload.do, it fails to properly validate the file type, content, or extension before storing the uploaded file. This lack of proper validation allows attackers to upload files with extensions such as .jsp, .php, .asp, or other server-side script files that can be executed on the web server. The vulnerability is particularly dangerous because it can enable attackers to upload web shells, malicious scripts, or other payloads that can be executed within the context of the web server. The flaw creates a direct path for privilege escalation and persistent access to the affected system.
The operational impact of CVE-2024-22567 extends far beyond simple data compromise, as it provides attackers with a foothold for extensive system exploitation. Once successful, attackers can execute arbitrary code on the target server, potentially gaining full administrative control over the MCMS application and underlying infrastructure. This vulnerability can lead to data breaches, system compromise, and unauthorized access to sensitive information stored within the MCMS platform. The attack surface is particularly broad since the vulnerability affects the core file upload functionality that is commonly used in content management systems for legitimate purposes. Organizations using MCMS 5.3.5 may experience complete system compromise, with attackers able to establish persistent backdoors, exfiltrate data, or use the compromised system as a launching point for further attacks against network infrastructure. The vulnerability aligns with ATT&CK technique T1505.003 for server-side include attacks and T1078 for valid accounts, as attackers can leverage the uploaded files to maintain access and escalate privileges.
Mitigation strategies for CVE-2024-22567 require immediate implementation of multiple security controls to protect against exploitation. Organizations should implement strict file type validation at both client and server levels, rejecting uploads of executable scripts or potentially dangerous file extensions. The system should enforce proper file extension checking, content type verification, and file size limitations to prevent malicious uploads. Additionally, uploaded files should be stored in a non-executable directory with proper access controls and file permissions. The recommended approach includes implementing a whitelist of allowed file types, performing MIME type validation, and ensuring that uploaded files are not directly accessible via the web server. Network segmentation and intrusion detection systems should be deployed to monitor for suspicious file upload activities. Organizations should also consider implementing web application firewalls to detect and block malicious POST requests targeting the vulnerable endpoint. Regular security updates and patches should be applied immediately upon availability, and comprehensive security testing should be performed to ensure the effectiveness of implemented controls. The vulnerability demonstrates the critical importance of proper input validation and secure file handling practices as outlined in OWASP Top 10 and NIST cybersecurity frameworks.