CVE-2020-11906 Explained : Impact and Mitigation

The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.

Understanding CVE-2020-11906

This CVE involves a specific vulnerability in the Treck TCP/IP stack.

What is CVE-2020-11906?

The Treck TCP/IP stack version prior to 6.0.1.66 is susceptible to an Ethernet Link Layer Integer Underflow vulnerability.

The Impact of CVE-2020-11906

This vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service (DoS) on affected systems.

Technical Details of CVE-2020-11906

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in the Treck TCP/IP stack is due to an Integer Underflow in the Ethernet Link Layer.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions before 6.0.1.66

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted Ethernet packets to the target system, triggering the Integer Underflow.

Mitigation and Prevention

Protecting systems from CVE-2020-11906 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor patches or updates promptly.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users and IT staff on cybersecurity best practices.

Patching and Updates

Ensure that the Treck TCP/IP stack is updated to version 6.0.1.66 or newer to mitigate the vulnerability.