CVE-2019-19371 Explained : Impact and Mitigation

Mitel MiCollab AWV before version 8.1.2.2 is vulnerable to a cross-site scripting (XSS) attack due to insufficient validation in the join meeting interface. This could allow an unauthorized attacker to execute arbitrary scripts.

Understanding CVE-2019-19371

This CVE identifies a security vulnerability in Mitel MiCollab AWV that could be exploited by an attacker to conduct a reflected XSS attack.

What is CVE-2019-19371?

Insufficient validation in the join meeting interface of Mitel MiCollab AWV before version 8.1.2.2 has led to a cross-site scripting (XSS) vulnerability. This allows an unauthorized attacker to carry out a reflected XSS attack in the web conferencing component.

The Impact of CVE-2019-19371

If successfully exploited, the attacker can execute arbitrary scripts, potentially compromising the confidentiality and integrity of the system and data.

Technical Details of CVE-2019-19371

Mitel MiCollab AWV before version 8.1.2.2 is susceptible to a specific type of XSS vulnerability.

Vulnerability Description

The vulnerability arises from insufficient validation in the join meeting interface, enabling an attacker to inject and execute malicious scripts.

Affected Systems and Versions

Mitel MiCollab AWV versions before 8.1.2.2

Exploitation Mechanism

An unauthenticated attacker can exploit the vulnerability by injecting malicious scripts through the web conferencing component, leading to a reflected XSS attack.

Mitigation and Prevention

Mitel MiCollab AWV users should take immediate steps to address and prevent the exploitation of CVE-2019-19371.

Immediate Steps to Take

Update to version 8.1.2.2 or later to mitigate the vulnerability.
Monitor and restrict access to the web conferencing component.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Mitel has released patches to address this vulnerability. Ensure timely installation of these patches to secure the system.