CVE-2020-11903 : Security Advisory and Response

The Treck TCP/IP stack before 6.0.1.28 has a DHCP Out-of-bounds Read.

Understanding CVE-2020-11903

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

What is CVE-2020-11903?

The CVE-2020-11903 vulnerability refers to a DHCP Out-of-bounds Read issue in the Treck TCP/IP stack before version 6.0.1.28.

The Impact of CVE-2020-11903

The vulnerability could potentially allow attackers to read out-of-bounds memory, leading to information disclosure or further exploitation.

Technical Details of CVE-2020-11903

This section covers the technical aspects of the CVE.

Vulnerability Description

The DHCP Out-of-bounds Read vulnerability in the Treck TCP/IP stack before 6.0.1.28 allows unauthorized access to memory beyond the allocated buffer, potentially exposing sensitive data.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions before 6.0.1.28

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted DHCP packets to the target system, triggering the out-of-bounds read.

Mitigation and Prevention

Protecting systems from CVE-2020-11903 is crucial to maintaining security.

Immediate Steps to Take

Update the Treck TCP/IP stack to version 6.0.1.28 or later to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any signs of malicious DHCP packets.

Long-Term Security Practices

Regularly update and patch all software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses in the network infrastructure.

Patching and Updates

Stay informed about security advisories and updates from Treck and other relevant vendors to apply patches promptly.