CVE-2020-12679 : Exploit Details and Defense Strategies

A reflected cross-site scripting (XSS) vulnerability in the Mitel ShoreTel Conference Web Application 19.50.1000.0 before MiVoice Connect 18.7 SP2 allows remote attackers to inject arbitrary JavaScript and HTML via the PATH_INFO to home.php.

Understanding CVE-2020-12679

This CVE involves a security vulnerability in the Mitel ShoreTel Conference Web Application that could be exploited by remote attackers.

What is CVE-2020-12679?

CVE-2020-12679 is a reflected cross-site scripting (XSS) vulnerability that enables attackers to inject malicious JavaScript and HTML code through the PATH_INFO to the home.php page.

The Impact of CVE-2020-12679

This vulnerability could allow remote attackers to execute arbitrary code within the context of the user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-12679

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The XSS vulnerability in Mitel ShoreTel Conference Web Application versions before MiVoice Connect 18.7 SP2 allows for the injection of malicious JavaScript and HTML code via the PATH_INFO parameter in the home.php page.

Affected Systems and Versions

Product: Mitel ShoreTel Conference Web Application
Versions affected: 19.50.1000.0 and earlier versions before MiVoice Connect 18.7 SP2

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting crafted JavaScript and HTML code through the PATH_INFO parameter in the home.php page, leading to the execution of malicious scripts in the context of the user's browser.

Mitigation and Prevention

Protecting systems from CVE-2020-12679 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Mitel to address the vulnerability promptly.
Monitor network traffic for any signs of exploitation attempts.
Educate users about the risks of clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Implement web application firewalls and input validation mechanisms to mitigate XSS risks.
Stay informed about security best practices and emerging threats in the cybersecurity landscape.

Patching and Updates

Mitel users should ensure they update their Mitel ShoreTel Conference Web Application to version 18.7 SP2 or later to mitigate the CVE-2020-12679 vulnerability.