CVE-2024-52770 in DedeBIZ
Summary
by MITRE • 11/20/2024
An arbitrary file upload vulnerability in the component /admin/file_manage_control of DedeBIZ v6.3.0 allows attackers to execute arbitrary code via uploading a crafted file.
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Analysis
by VulDB Data Team • 06/13/2025
The vulnerability identified as CVE-2024-52770 represents a critical arbitrary file upload flaw within the DedeBIZ content management system version 6.3.0. This issue specifically affects the /admin/file_manage_control component, which serves as a file management interface for administrators. The vulnerability stems from insufficient input validation and inadequate file type restrictions, creating a pathway for malicious actors to bypass security controls and upload potentially harmful files to the target system. The flaw exists in the administrative interface where file uploads are processed, making it particularly dangerous as it directly targets privileged system components.
The technical exploitation of this vulnerability involves an attacker crafting a malicious file with a specific extension or payload that can bypass the intended file validation mechanisms. When the system processes the upload request through the vulnerable file_manage_control component, it fails to properly validate the file content or type, allowing attackers to upload files with executable code or scripts. This could include php files, aspx files, or other web shells that would execute within the context of the web server. The vulnerability aligns with CWE-434, which describes insecure file upload vulnerabilities where applications accept files without proper validation, and represents a direct violation of secure coding practices for file handling operations.
The operational impact of this vulnerability is severe and multifaceted, potentially enabling complete system compromise. An attacker who successfully exploits this flaw can execute arbitrary code on the target server, leading to unauthorized access, data exfiltration, system manipulation, and potential lateral movement within the network. The vulnerability creates a persistent backdoor that can be used for ongoing unauthorized access, making it particularly dangerous for organizations relying on DedeBIZ for content management. The attack surface extends beyond simple code execution to include potential privilege escalation, as the administrative interface typically operates with elevated permissions that can be leveraged for more extensive system compromise. This vulnerability can be classified under ATT&CK technique T1190, which covers exploit for client execution through web-based attacks, and T1078, which addresses valid accounts for persistence and privilege escalation.
Mitigation strategies for CVE-2024-52770 must address both immediate remediation and long-term security improvements. Organizations should implement immediate patching of the DedeBIZ system to the latest version that resolves this vulnerability. Until patching is complete, administrators should restrict file upload functionality to only trusted users and implement strict file type validation that rejects potentially dangerous extensions. The system should employ multiple validation layers including MIME type checking, file content analysis, and filename sanitization to prevent malicious uploads. Network-level protections such as web application firewalls should be configured to monitor and block suspicious upload attempts. Additionally, the principle of least privilege should be enforced, limiting administrative access to the file management component and implementing proper access controls. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the system, as this vulnerability represents a broader class of insecure file handling practices that may exist elsewhere in the application.