CVE-2023-27801 Explained : Impact and Mitigation

This CVE-2023-27801 was published on April 7, 2023, and involves a vulnerability discovered in the H3C Magic R100 R100V100R005.bin. The vulnerability allows attackers to exploit a stack overflow via the DelDNSHnList interface at /goform/aspForm, potentially leading to a Denial of Service (DoS) attack.

Understanding CVE-2023-27801

This section provides insights into what CVE-2023-27801 entails.

What is CVE-2023-27801?

CVE-2023-27801 is a vulnerability found in the H3C Magic R100 R100V100R005.bin, enabling attackers to trigger a Denial of Service (DoS) attack through a stack overflow in the DelDNSHnList interface at /goform/aspForm.

The Impact of CVE-2023-27801

The impact of this vulnerability is significant as it allows malicious actors to disrupt the normal functioning of the affected system by exploiting the stack overflow, potentially causing a Denial of Service (DoS) condition.

Technical Details of CVE-2023-27801

This section delves into the technical aspects of CVE-2023-27801.

Vulnerability Description

The vulnerability in H3C Magic R100 R100V100R005.bin arises from a stack overflow in the DelDNSHnList interface at /goform/aspForm. This flaw can be exploited by attackers to launch a Denial of Service (DoS) attack using a specifically crafted payload.

Affected Systems and Versions

The affected vendor and product details are not available for disclosure.

Exploitation Mechanism

By sending a malicious payload through the DelDNSHnList interface at /goform/aspForm, threat actors can exploit the stack overflow vulnerability in H3C Magic R100 R100V100R005.bin to execute a Denial of Service (DoS) attack.

Mitigation and Prevention

In this section, we explore strategies to mitigate the risks associated with CVE-2023-27801.

Immediate Steps to Take

Organizations can consider implementing network-level protections to filter out potentially malicious traffic targeting the DelDNSHnList interface.
It is crucial to monitor network activity for any signs of abnormal behavior that may indicate a possible DoS attack.

Long-Term Security Practices

Conducting regular security assessments and penetration testing can help identify and address vulnerabilities proactively.
Ensure that software and systems are updated with the latest security patches to protect against known vulnerabilities.

Patching and Updates

Stay informed about security advisories related to the H3C Magic R100 R100V100R005.bin and apply patches provided by the vendor promptly to mitigate the vulnerability.
Regularly review and update security configurations to enhance the overall resilience of the system against potential threats.