CVE-2023-33643 : Security Advisory and Response

A stack overflow vulnerability was found in H3C Magic R300 version R300-2100MV100R004, allowing attackers to perform malicious actions via a specific interface.

Understanding CVE-2023-33643

This section delves into the details of CVE-2023-33643.

What is CVE-2023-33643?

CVE-2023-33643 is a stack overflow vulnerability identified in H3C Magic R300 version R300-2100MV100R004, which could be exploited through the AddWlanMacList interface.

The Impact of CVE-2023-33643

The vulnerability could lead to unauthorized access, denial of service, or arbitrary code execution on affected systems.

Technical Details of CVE-2023-33643

Here, you will find the technical specifics of CVE-2023-33643.

Vulnerability Description

The vulnerability in H3C Magic R300 version R300-2100MV100R004 arises from a stack overflow when processing input through the AddWlanMacList interface.

Affected Systems and Versions

All instances of H3C Magic R300 version R300-2100MV100R004 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific input to trigger a stack overflow, potentially allowing them to execute malicious code.

Mitigation and Prevention

To protect your systems from CVE-2023-33643, consider the following mitigation strategies.

Immediate Steps to Take

Disable access to the vulnerable interface if possible.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update the firmware of the H3C Magic R300 device.
Implement strong network segmentation and access controls.

Patching and Updates

Stay informed about security updates and apply patches provided by H3C for the affected version.