CVE-2020-11908 : Security Advisory and Response

The Treck TCP/IP stack before 4.7.1.27 mishandles '\0' termination in DHCP.

Understanding CVE-2020-11908

The Treck TCP/IP stack vulnerability CVE-2020-11908 involves mishandling '\0' termination in DHCP.

What is CVE-2020-11908?

The vulnerability in the Treck TCP/IP stack before version 4.7.1.27 allows for incorrect handling of '\0' termination in DHCP, potentially leading to security issues.

The Impact of CVE-2020-11908

This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service (DoS) condition on affected systems.

Technical Details of CVE-2020-11908

The technical aspects of the CVE-2020-11908 vulnerability are as follows:

Vulnerability Description

The issue arises from the mishandling of '\0' termination in DHCP within the Treck TCP/IP stack before version 4.7.1.27.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted DHCP packets to the target system, triggering the mishandling of '\0' termination and potentially leading to unauthorized code execution or DoS attacks.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-11908 vulnerability:

Immediate Steps to Take

Apply security patches or updates provided by Treck for the TCP/IP stack to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks exploiting this vulnerability.

Long-Term Security Practices

Regularly monitor and update network security measures to protect against known vulnerabilities.
Conduct security assessments and audits to identify and address any weaknesses in the network infrastructure.

Patching and Updates

Stay informed about security advisories from Treck and other relevant vendors to promptly apply patches and updates to secure systems against potential threats.