CVE-2023-33637 : Vulnerability Insights and Analysis

A stack overflow vulnerability has been discovered in the H3C Magic R300 version R300-2100MV100R004, allowing attackers to exploit the DelDNSHnList interface.

Understanding CVE-2023-33637

This CVE involves a critical stack overflow vulnerability in the H3C Magic R300 version R300-2100MV100R004, which can be exploited through the DelDNSHnList interface.

What is CVE-2023-33637?

CVE-2023-33637 is a security flaw found in the mentioned version of the H3C Magic R300 that enables attackers to trigger a stack overflow via the DelDNSHnList interface, located at /goform/aspForm.

The Impact of CVE-2023-33637

This vulnerability can be exploited by malicious actors to execute arbitrary code or cause a denial of service, posing a serious risk to the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-33637

The technical aspects of the CVE-2023-33637 vulnerability provide insights into the nature of the threat and its potential implications.

Vulnerability Description

The stack overflow vulnerability in H3C Magic R300 version R300-2100MV100R004 occurs due to improper handling of user-supplied input through the DelDNSHnList interface.

Affected Systems and Versions

The affected system includes H3C Magic R300 version R300-2100MV100R004. The presence of this vulnerability in the specific version exposes it to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input to the DelDNSHnList interface, triggering a stack overflow and potentially gaining unauthorized access.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-33637 involves taking immediate steps to address the vulnerability and implementing long-term security practices to prevent such incidents in the future.

Immediate Steps to Take

Apply security patches or updates provided by the vendor to fix the stack overflow vulnerability in H3C Magic R300 version R300-2100MV100R004.

Long-Term Security Practices

Regularly monitor and update systems to ensure timely patching of vulnerabilities and enhance overall security posture.

Patching and Updates

Stay informed about security advisories and updates from H3C regarding CVE-2023-33637 to deploy necessary patches and protect systems from exploitation.