CVE-2018-5782 : Vulnerability Insights and Analysis

Mitel Connect ONSITE and Mitel ST are affected by a vulnerability that could allow an attacker to execute arbitrary PHP code. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2018-5782

An issue has been discovered in the conferencing part of Mitel Connect ONSITE and Mitel ST, potentially enabling an attacker to insert PHP code without authentication.

What is CVE-2018-5782?

This vulnerability allows an unauthenticated attacker to inject PHP code through crafted requests to the vsethost.php page, leading to the execution of arbitrary PHP code within the application's framework.

The Impact of CVE-2018-5782

If successfully exploited, the attacker gains the ability to execute malicious PHP code within the affected application, posing a significant security risk.

Technical Details of CVE-2018-5782

Mitel Connect ONSITE and Mitel ST are susceptible to the following:

Vulnerability Description

The vulnerability lies in the conferencing component of Mitel Connect ONSITE versions R1711-PREM and earlier, as well as Mitel ST 14.2 release GA28 and earlier.

Affected Systems and Versions

Mitel Connect ONSITE versions R1711-PREM and prior
Mitel ST 14.2 release GA28 and older versions

Exploitation Mechanism

Attacker crafts requests to the vsethost.php page
Injection of PHP code without authentication
Execution of arbitrary PHP code within the application

Mitigation and Prevention

To address CVE-2018-5782, consider the following steps:

Immediate Steps to Take

Apply security patches provided by Mitel promptly
Monitor for any unauthorized access or unusual activities

Long-Term Security Practices

Regularly update and patch all software components
Implement strong authentication mechanisms and access controls

Patching and Updates

Stay informed about security advisories from Mitel
Apply recommended patches and updates to mitigate the vulnerability