CVE-2017-16251 Explained : Impact and Mitigation

Mitel ST 14.2 conferencing feature has a vulnerability that could allow an attacker to upload harmful scripts and execute unauthorized code.

Understanding CVE-2017-16251

Mitel ST 14.2 conferencing feature weakness allows a verified user to upload a harmful script, potentially leading to unauthorized code execution.

What is CVE-2017-16251?

The vulnerability in Mitel ST 14.2 conferencing feature enables a verified user to upload a harmful script via a crafted POST request, potentially allowing unauthorized code execution within the application.

The Impact of CVE-2017-16251

If exploited, this vulnerability could grant an attacker the ability to execute unauthorized code within the application's boundaries, posing a significant security risk.

Technical Details of CVE-2017-16251

Mitel ST 14.2 conferencing feature vulnerability details.

Vulnerability Description

A weakness in Mitel ST 14.2 conferencing feature allows a verified user to upload a harmful script, potentially leading to unauthorized code execution.

Affected Systems and Versions

Product: Mitel ST 14.2
Versions affected: GA28 and previous releases

Exploitation Mechanism

The vulnerability can be exploited by a verified user uploading a harmful script to their Personal Library using a carefully crafted POST request.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-16251.

Immediate Steps to Take

Apply security patches provided by Mitel promptly.
Monitor and restrict user access to prevent unauthorized uploads.

Long-Term Security Practices

Regularly update and patch Mitel ST 14.2 to address security vulnerabilities.
Educate users on safe practices to prevent uploading harmful scripts.

Patching and Updates

Mitel may release patches and updates to address the vulnerability. Stay informed and apply patches as soon as they are available.