CVE-2020-10364 : Exploit Details and Defense Strategies

This CVE involves a vulnerability in the SSH daemon on MikroTik routers through v6.44.3, allowing remote attackers to trigger denial of service and cause reboots.

Understanding CVE-2020-10364

This CVE highlights a critical issue in the SSH daemon of MikroTik routers, potentially leading to severe consequences.

What is CVE-2020-10364?

The SSH daemon on MikroTik routers through v6.44.3 is susceptible to exploitation by remote attackers, enabling them to disrupt services and even force system reboots.

The Impact of CVE-2020-10364

The vulnerability can result in increased CPU activity, denial of new authorized connections, and system reboots due to uncontrolled resource management.

Technical Details of CVE-2020-10364

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The flaw in the SSH daemon of MikroTik routers allows attackers to manipulate system resources, leading to denial of service and potential system crashes.

Affected Systems and Versions

Product: MikroTik routers
Versions: Up to v6.44.3

Exploitation Mechanism

Attackers exploit the vulnerability through connect and write system calls, causing CPU overload, connection denials, and system reboots.

Mitigation and Prevention

Protecting systems from CVE-2020-10364 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update MikroTik routers to the latest firmware version.
Implement firewall rules to restrict SSH access.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly audit and update router configurations.
Conduct security training for network administrators.
Employ intrusion detection systems to detect anomalous behavior.

Patching and Updates

Apply patches released by MikroTik promptly to address the vulnerability and enhance system security.