CVE-2023-33638 : Security Advisory and Response

A stack overflow vulnerability was discovered in H3C Magic R300 version R300-2100MV100R004, allowing attackers to exploit the Edit_BasicSSID_5G interface.

Understanding CVE-2023-33638

This section delves into the details of the CVE-2023-33638 vulnerability.

What is CVE-2023-33638?

The CVE-2023-33638 vulnerability exists in H3C Magic R300 version R300-2100MV100R004, specifically through the Edit_BasicSSID_5G interface at /goform/aspForm.

The Impact of CVE-2023-33638

The vulnerability could be exploited by attackers to trigger a stack overflow, potentially leading to remote code execution or a denial of service.

Technical Details of CVE-2023-33638

This section provides more technical insights into CVE-2023-33638.

Vulnerability Description

The vulnerability allows for a stack overflow in the Edit_BasicSSID_5G interface, which could be leveraged by threat actors to compromise the affected system.

Affected Systems and Versions

H3C Magic R300 version R300-2100MV100R004 is confirmed to be impacted by this vulnerability, exposing systems running this specific version.

Exploitation Mechanism

By sending specially crafted requests to the Edit_BasicSSID_5G interface at /goform/aspForm, attackers can trigger the stack overflow and potentially execute malicious code or disrupt services.

Mitigation and Prevention

In this section, we outline strategies to mitigate and prevent the CVE-2023-33638 vulnerability.

Immediate Steps to Take

Immediately restrict access to the vulnerable Edit_BasicSSID_5G interface and implement network-level protections to filter out malicious requests.

Long-Term Security Practices

Regularly monitor for security updates from the vendor and apply patches promptly to address known vulnerabilities and enhance overall system security.

Patching and Updates

Keep systems up to date with the latest patches and security fixes provided by H3C to prevent exploitation of the CVE-2023-33638 vulnerability.