CVE-2019-15524 : Exploit Details and Defense Strategies

CSZ CMS 1.2.3 contains a vulnerability that allows arbitrary file upload, leading to remote code execution.

Understanding CVE-2019-15524

In the File Management Module of CSZ CMS 1.2.3, a flaw permits arbitrary file upload, enabling remote code execution through specific URIs.

What is CVE-2019-15524?

The vulnerability in CSZ CMS 1.2.3 allows malicious actors to upload arbitrary files, potentially leading to remote code execution by accessing specific URIs.

The Impact of CVE-2019-15524

Exploitation of this vulnerability can result in remote code execution, granting unauthorized access to the system and compromising data integrity.

Technical Details of CVE-2019-15524

Vulnerability Description

The flaw in CSZ CMS 1.2.3 permits the upload of arbitrary files, such as .php files, through the File Management Module, facilitating remote code execution via specific URIs.

Affected Systems and Versions

Product: CSZ CMS 1.2.3
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability can be exploited by uploading a malicious file, like a .php file, to the admin/filemanager directory, allowing attackers to execute remote code by accessing certain URIs.

Mitigation and Prevention

Immediate Steps to Take

Disable file uploads in the affected module to prevent arbitrary file uploads.
Implement strict input validation to block unauthorized file types.
Regularly monitor and review file uploads for suspicious activities.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Keep software and systems up to date with the latest security patches and updates.

Patching and Updates

Apply patches and updates provided by CSZ CMS to address the vulnerability and enhance system security.