CVE-2019-16720 : What You Need to Know

ZZZCMS zzzphp v1.7.2 allows unrestricted file upload in the plugins/ueditor/php/controller.php?upfolder=news&action=catchimage endpoint, enabling the upload of .htaccess or .php5 files.

Understanding CVE-2019-16720

This CVE involves a vulnerability in ZZZCMS zzzphp v1.7.2 that permits unauthorized file uploads.

What is CVE-2019-16720?

The file upload feature in ZZZCMS zzzphp v1.7.2 is inadequately restricted in the plugins/ueditor/php/controller.php?upfolder=news&action=catchimage endpoint, allowing malicious users to upload .htaccess or .php5 files.

The Impact of CVE-2019-16720

This vulnerability can lead to unauthorized access, execution of arbitrary code, and potential server compromise.

Technical Details of CVE-2019-16720

CVE-2019-16720 involves the following technical aspects:

Vulnerability Description

The flaw in ZZZCMS zzzphp v1.7.2 enables attackers to upload sensitive files like .htaccess or .php5, bypassing proper restrictions.

Affected Systems and Versions

Product: ZZZCMS
Version: zzzphp v1.7.2

Exploitation Mechanism

Attackers exploit the vulnerability by uploading malicious files through the specified endpoint, potentially compromising the server.

Mitigation and Prevention

To address CVE-2019-16720, follow these mitigation strategies:

Immediate Steps to Take

Disable the file upload feature in the affected endpoint.
Implement proper input validation and file type restrictions.
Monitor file uploads for suspicious activities.

Long-Term Security Practices

Regularly update and patch the ZZZCMS software.
Conduct security audits to identify and address vulnerabilities.

Patching and Updates

Apply patches or updates provided by ZZZCMS to fix the file upload restriction issue.