CVE-2020-11905 : What You Need to Know

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Understanding CVE-2020-11905

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

What is CVE-2020-11905?

The Treck TCP/IP stack version prior to 6.0.1.66 is susceptible to a DHCPv6 Out-of-bounds Read vulnerability.

The Impact of CVE-2020-11905

This vulnerability could allow an attacker to read out-of-bounds memory, potentially leading to information disclosure or further exploitation.

Technical Details of CVE-2020-11905

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability lies in the DHCPv6 implementation of the Treck TCP/IP stack, allowing unauthorized access to memory beyond the allocated buffer.

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 DHCPv6 packets to the target system, triggering the out-of-bounds read.

Mitigation and Prevention

Protect your systems from CVE-2020-11905 with the following measures:

Immediate Steps to Take

Apply vendor patches or updates to the Treck TCP/IP stack to address this vulnerability.
Monitor network traffic for any signs of malicious DHCPv6 packets.

Long-Term Security Practices

Regularly update and patch all software components to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

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