CVE-2021-32068 : Security Advisory and Response
Learn about CVE-2021-32068 affecting Mitel MiCollab pre-9.3. Discover impact, exploitation details, affected systems, and mitigation steps against this security vulnerability.
Mitel MiCollab before version 9.3 is impacted by CVE-2021-32068, which allows an attacker to carry out a Man-In-the-Middle attack due to insufficient TLS session controls. This could lead to unauthorized modification of application data and state.
Understanding CVE-2021-32068
This CVE pertains to vulnerabilities found in the AWV and MiCollab Client Service components in Mitel MiCollab.
What is CVE-2021-32068?
The vulnerability in Mitel MiCollab before 9.3 enables an attacker to execute a Man-In-the-Middle attack using multiple session renegotiation requests, exploiting the inadequate TLS session controls.
The Impact of CVE-2021-32068
A successful exploit of this vulnerability could grant an attacker the ability to alter application data and state, compromising the integrity and confidentiality of sensitive information.
Technical Details of CVE-2021-32068
This section covers the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from the AWV and MiCollab Client Service components lacking proper controls over TLS sessions, enabling attackers to intercept communications and modify data.
Affected Systems and Versions
Mitel MiCollab versions prior to 9.3 are susceptible to this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending multiple session renegotiation requests, thus initiating a Man-In-the-Middle attack and intercepting sensitive data.
Mitigation and Prevention
To safeguard systems from CVE-2021-32068, immediate action and long-term security practices are essential.
Immediate Steps to Take
It is recommended to update Mitel MiCollab to version 9.3 or later to mitigate the vulnerability. Additionally, monitoring for any unauthorized modifications is crucial.
Long-Term Security Practices
Implementing strict TLS session controls, regular security assessments, and user awareness training are fundamental for enhancing overall security posture.
Patching and Updates
Regularly apply security patches and updates provided by Mitel to address vulnerabilities and ensure the protection of sensitive data.