CVE-2018-14570 : What You Need to Know
Learn about CVE-2018-14570, a file upload vulnerability in Niushop B2B2C Multi-business basic version V1.11, allowing remote attackers to execute arbitrary code. Find mitigation steps and preventive measures here.
In the Niushop B2B2C Multi-business basic version V1.11, a vulnerability exists in the file upload functionality, allowing remote attackers to upload malicious PHP files to the server.
Understanding CVE-2018-14570
This CVE involves a file upload vulnerability in the Niushop B2B2C Multi-business basic version V1.11, enabling remote attackers to execute arbitrary code.
What is CVE-2018-14570?
The vulnerability in the file upload functionality of Niushop B2B2C Multi-business basic version V1.11 permits remote members to upload a .php file to the web server through the profile avatar field.
The Impact of CVE-2018-14570
Exploiting this vulnerability allows attackers to execute arbitrary code by uploading a malicious .php file, potentially leading to server compromise and unauthorized access.
Technical Details of CVE-2018-14570
This section provides technical insights into the vulnerability.
Vulnerability Description
The flaw in application/shop/controller/member.php allows remote members to upload a .php file by manipulating the profile avatar field, leading to arbitrary code execution.
Affected Systems and Versions
- Product: Niushop B2B2C Multi-business basic version V1.11
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers exploit the vulnerability by using an image Content-Type (e.g., image/jpeg) with a modified filename and content, enabling the upload of a malicious .php file.
Mitigation and Prevention
Protecting systems from CVE-2018-14570 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable file uploads in the profile avatar field temporarily.
- Implement input validation to restrict file types and content.
- Monitor and filter file uploads for suspicious activities.
Long-Term Security Practices
- Regularly update and patch the Niushop B2B2C application to address security vulnerabilities.
- Educate users on safe file upload practices and the risks associated with malicious file uploads.
Patching and Updates
- Apply security patches provided by Niushop to fix the file upload vulnerability.