CVE-2019-9572 : Vulnerability Insights and Analysis

SchoolCMS version 2.3.1 allows for arbitrary PHP code execution through a file upload vulnerability in the theme upload feature.

Understanding CVE-2019-9572

In SchoolCMS version 2.3.1, a specific file upload method can be exploited to execute malicious PHP code.

What is CVE-2019-9572?

This CVE refers to a vulnerability in SchoolCMS version 2.3.1 that enables attackers to upload files and execute arbitrary PHP code.

The Impact of CVE-2019-9572

The vulnerability allows unauthorized individuals to upload malicious files and potentially take control of the affected system.

Technical Details of CVE-2019-9572

The following technical aspects provide insight into the CVE-2019-9572 vulnerability.

Vulnerability Description

Exploitable file upload feature in SchoolCMS version 2.3.1
Allows uploading files with .zip extension and _Static substring
Modifying Content-Type to application/zip and inserting PHP code after ZIP header
Leads to execution of PHP code in Public\Home\1_Static.php

Affected Systems and Versions

SchoolCMS version 2.3.1

Exploitation Mechanism

Utilizing the theme upload feature at admin.php?m=admin&c=theme&a=upload
Including .zip extension and _Static substring
Changing Content-Type to application/zip
Inserting PHP code after ZIP header

Mitigation and Prevention

Protecting systems from CVE-2019-9572 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the theme upload feature in SchoolCMS version 2.3.1
Implement file upload restrictions and validation
Monitor system logs for suspicious activities

Long-Term Security Practices

Regularly update SchoolCMS to the latest secure version
Conduct security audits and code reviews periodically

Patching and Updates

Apply patches provided by SchoolCMS to address the vulnerability