CVE-2024-0576 Explained : Impact and Mitigation

This CVE-2024-0576 vulnerability affects Totolink LR1200GB 9.1.0u.6619_B20230130, leading to a stack-based buffer overflow. It has been classified as critical with a high base severity score. The manipulation of the argument sPort in the function setIpPortFilterRules of /cgi-bin/cstecgi.cgi can be exploited remotely.

Understanding CVE-2024-0576

This section will delve into the details of CVE-2024-0576, shedding light on the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2024-0576?

The vulnerability found in Totolink LR1200GB 9.1.0u.6619_B20230130 allows for a stack-based buffer overflow through manipulation of the sPort argument in the setIpPortFilterRules function of the /cgi-bin/cstecgi.cgi file. This critical issue enables remote attackers to execute arbitrary code.

The Impact of CVE-2024-0576

Due to the stack-based buffer overflow vulnerability in Totolink LR1200GB 9.1.0u.6619_B20230130, attackers can exploit the system remotely. The severity of this vulnerability is rated as high, indicating the potential for significant damage and unauthorized access.

Technical Details of CVE-2024-0576

In this section, we will explore the technical aspects of CVE-2024-0576, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Totolink LR1200GB 9.1.0u.6619_B20230130 arises from a stack-based buffer overflow when manipulating the sPort argument in the setIpPortFilterRules function of /cgi-bin/cstecgi.cgi. This allows attackers to execute malicious code remotely.

Affected Systems and Versions

The specific version impacted by CVE-2024-0576 is Totolink LR1200GB 9.1.0u.6619_B20230130. Users with this version are at risk of exploitation through the setIpPortFilterRules function in the /cgi-bin/cstecgi.cgi file.

Exploitation Mechanism

Attackers can exploit CVE-2024-0576 by sending crafted input to the sPort argument in the setIpPortFilterRules function of the /cgi-bin/cstecgi.cgi file remotely. This action triggers a stack-based buffer overflow, potentially leading to unauthorized code execution.

Mitigation and Prevention

To protect systems from CVE-2024-0576, immediate steps should be taken, followed by long-term security practices and the application of relevant patches and updates.

Immediate Steps to Take

It is crucial to apply any available patches or workarounds provided by the vendor to mitigate the vulnerability in Totolink LR1200GB 9.1.0u.6619_B20230130. Additionally, network restrictions and monitoring can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing strong network security measures, regularly updating software and firmware, conducting security assessments, and fostering a culture of cybersecurity awareness are essential for maintaining a secure environment and preventing similar vulnerabilities in the future.

Patching and Updates

Vendor-issued patches and updates should be promptly applied to address the CVE-2024-0576 vulnerability in Totolink LR1200GB 9.1.0u.6619_B20230130. Regularly monitoring for security advisories and staying informed about emerging threats can help organizations stay ahead of potential risks.