CVE-2017-6090 : What You Need to Know

This CVE-2017-6090 article provides insights into a vulnerability found in PhpCollab 2.5.1 and earlier versions, allowing authenticated remote users to execute arbitrary code.

Understanding CVE-2017-6090

This section delves into the details of the CVE-2017-6090 vulnerability.

What is CVE-2017-6090?

CVE-2017-6090 is an unrestricted file upload vulnerability in PhpCollab 2.5.1 and prior versions. It enables authenticated remote users to execute any code of their choice by uploading a file with an executable extension.

The Impact of CVE-2017-6090

The vulnerability allows attackers to upload malicious files and execute them, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2017-6090

This section provides technical insights into the CVE-2017-6090 vulnerability.

Vulnerability Description

The flaw exists in the clients/editclient.php file of PhpCollab 2.5.1 and earlier versions. Attackers can exploit this by uploading a file with an executable extension and accessing it through a direct request to the file in the logos_clients/ directory.

Affected Systems and Versions

Product: PhpCollab 2.5.1 and earlier versions
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a file with an executable extension and then accessing it directly through a request to the file in the logos_clients/ directory.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2017-6090 vulnerability.

Immediate Steps to Take

Update PhpCollab to the latest version to patch the vulnerability.
Implement file upload restrictions and validation to prevent unauthorized file execution.
Monitor file uploads and user activities for suspicious behavior.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users on secure file upload practices and the risks associated with executing files from untrusted sources.

Patching and Updates

Apply security patches and updates provided by PhpCollab promptly to address known vulnerabilities and enhance system security.