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CVE-2020-36079 : Exploit Details and Defense Strategies

Learn about CVE-2020-36079 affecting Zenphoto through 1.5.7, allowing authenticated arbitrary file uploads and potential remote code execution. Find mitigation steps and best practices here.

Zenphoto through 1.5.7 is affected by an authenticated arbitrary file upload vulnerability, potentially leading to remote code execution. The vendor disputes the severity of the issue.

Understanding CVE-2020-36079

This CVE involves an authenticated arbitrary file upload vulnerability in Zenphoto through version 1.5.7, allowing potential remote code execution.

What is CVE-2020-36079?

        Zenphoto through 1.5.7 is impacted by an authenticated arbitrary file upload vulnerability.
        Attackers can exploit this issue by navigating to the uploader plugin, checking the elFinder box, and dragging and dropping files into the UI.
        This could result in placing a malicious .php file in the server's uploaded directory.

The Impact of CVE-2020-36079

        The vulnerability could lead to remote code execution on the affected system.
        The vendor disputes the severity, claiming that exploitation requires admin privileges with other means to harm the site.

Technical Details of CVE-2020-36079

This section provides technical details about the vulnerability.

Vulnerability Description

        Authenticated arbitrary file upload vulnerability in Zenphoto through 1.5.7.

Affected Systems and Versions

        Zenphoto versions up to and including 1.5.7 are affected.

Exploitation Mechanism

        Attackers need to access the uploader plugin, check the elFinder box, and upload files to exploit the vulnerability.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2020-36079.

Immediate Steps to Take

        Disable the uploader plugin in Zenphoto if not essential.
        Regularly monitor and review file uploads to detect any suspicious activities.

Long-Term Security Practices

        Implement strong authentication mechanisms to prevent unauthorized access.
        Keep Zenphoto and all plugins up to date to patch known vulnerabilities.

Patching and Updates

        Apply patches and updates provided by Zenphoto to address the authenticated arbitrary file upload vulnerability.

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