CVE-2019-14694 : Exploit Details and Defense Strategies

Comprehensive information about the use-after-free vulnerability in Comodo Antivirus 12.0.0.6870.

Understanding CVE-2019-14694

A detailed overview of the vulnerability and its impact.

What is CVE-2019-14694?

The sandbox container in cmdguard.sys in Comodo Antivirus 12.0.0.6870 is susceptible to a use-after-free vulnerability due to a race condition during IRP_MJ_CLEANUP request handling. This flaw allows attackers to trigger a denial of service attack by crashing the system when executing an executable within the container.

The Impact of CVE-2019-14694

The vulnerability enables attackers to exploit a race condition, leading to a denial of service (BSOD) attack, causing system crashes.

Technical Details of CVE-2019-14694

Insight into the technical aspects of the vulnerability.

Vulnerability Description

The use-after-free flaw in the sandbox container of Comodo Antivirus 12.0.0.6870 is triggered by a race condition during IRP_MJ_CLEANUP request handling.

Affected Systems and Versions

Product: Comodo Antivirus 12.0.0.6870
Vendor: Comodo
Version: 12.0.0.6870

Exploitation Mechanism

Attackers exploit the race condition in IRP_MJ_CLEANUP request handling to trigger a denial of service attack by crashing the system.

Mitigation and Prevention

Guidelines to mitigate the vulnerability and prevent exploitation.

Immediate Steps to Take

Update Comodo Antivirus to the latest version.
Implement security best practices for containerized environments.

Long-Term Security Practices

Regularly update antivirus software and security patches.
Conduct security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Apply patches provided by Comodo to address the use-after-free vulnerability.