CVE-2019-5445 : What You Need to Know

EdgeMAX EdgeSwitch prior to version 1.8.2 is susceptible to a Denial of Service (DoS) vulnerability that allows an Admin user to crash the SSH CLI interface using manipulated commands.

Understanding CVE-2019-5445

The vulnerability in EdgeMAX EdgeSwitch versions earlier than 1.8.2 poses a risk of DoS attacks, potentially leading to service disruption.

What is CVE-2019-5445?

The SSH CLI interface of EdgeMAX EdgeSwitch versions prior to 1.8.2 is vulnerable to a DoS attack, where an Admin user can crash the interface by employing crafted commands.

The Impact of CVE-2019-5445

The vulnerability can be exploited by an Admin user to disrupt the SSH CLI interface, causing service unavailability and potential system crashes.

Technical Details of CVE-2019-5445

EdgeMAX EdgeSwitch prior to version 1.8.2 is affected by a specific vulnerability that allows for a DoS attack.

Vulnerability Description

The vulnerability enables an Admin user to crash the SSH CLI interface through the use of manipulated commands.

Affected Systems and Versions

Product: EdgeMAX
Vendor: n/a
Versions Affected: 1.8.1

Exploitation Mechanism

The vulnerability can be exploited by an Admin user sending crafted commands to the SSH CLI interface, leading to a crash.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-5445.

Immediate Steps to Take

Upgrade affected systems to version 1.8.2 or later to mitigate the vulnerability.
Implement strict access controls to limit Admin user privileges.

Long-Term Security Practices

Regularly monitor and update firmware to patch known vulnerabilities.
Conduct security training for Admin users to prevent misuse of system commands.

Patching and Updates

Apply security patches and updates provided by the vendor to ensure system security and prevent DoS attacks.