CVE-2022-34603 : Security Advisory and Response

H3C Magic R200 R200V200R004L02 was discovered to contain a stack overflow vulnerability via the DelDNSHnList interface. Learn about the impact, technical details, and mitigation strategies for CVE-2022-34603.

Understanding CVE-2022-34603

This section delves into the details of the CVE-2022-34603 vulnerability affecting H3C Magic R200 R200V200R004L02.

What is CVE-2022-34603?

The CVE-2022-34603 vulnerability was found in H3C Magic R200 R200V200R004L02, allowing malicious actors to trigger a stack overflow through the DelDNSHnList interface.

The Impact of CVE-2022-34603

The presence of this vulnerability exposes systems running affected versions of H3C Magic R200 R200V200R004L02 to potential stack overflow attacks, posing a security risk to the confidentiality, integrity, and availability of data.

Technical Details of CVE-2022-34603

Explore the specifics of the CVE-2022-34603 vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in H3C Magic R200 R200V200R004L02 enables a stack overflow when interacting with the DelDNSHnList interface at /goform/aspForm, potentially leading to unauthorized access or denial of service.

Affected Systems and Versions

The affected product version identified for CVE-2022-34603 is H3C Magic R200 R200V200R004L02. Users running this specific version are at risk of exploitation through the DelDNSHnList interface.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by crafting special input to the DelDNSHnList interface, causing a stack overflow and potentially gaining unauthorized access or disrupting system functionality.

Mitigation and Prevention

Discover immediate steps and long-term practices to mitigate the risks associated with CVE-2022-34603 and ensure the security of your systems.

Immediate Steps to Take

It is essential to apply security patches and updates provided by H3C promptly to address the CVE-2022-34603 vulnerability. Additionally, consider restricting access to the DelDNSHnList interface.

Long-Term Security Practices

Incorporate secure coding practices, conduct regular security assessments, and stay informed about potential vulnerabilities in H3C Magic R200 R200V200R004L02 to enhance the overall security posture of your systems.

Patching and Updates

Keeping H3C Magic R200 R200V200R004L02 up to date with the latest security patches and firmware releases is crucial in preventing exploitation of CVE-2022-34603 and safeguarding against potential stack overflow attacks.