CVE-2024-0577: Vulnerability Insights and Analysis

This CVE-2024-0577 pertains to a critical vulnerability found in Totolink LR1200GB 9.1.0u.6619_B20230130, affecting the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The vulnerability has been rated as critical with a high base severity score.

Understanding CVE-2024-0577

This vulnerability involves a stack-based buffer overflow that can be exploited by manipulating the argument lang in the mentioned file. The attack can be initiated remotely, making it a serious security risk.

What is CVE-2024-0577?

The vulnerability identified in CVE-2024-0577 allows for a stack-based buffer overflow in Totolink LR1200GB 9.1.0u.6619_B20230130 when the argument lang is manipulated. This can lead to potential remote attacks with severe consequences.

The Impact of CVE-2024-0577

With a high base severity score, CVE-2024-0577 poses a significant risk to the security of systems running the affected Totolink LR1200GB version. The exploit for this vulnerability has been disclosed publicly, increasing the potential for malicious exploitation.

Technical Details of CVE-2024-0577

This vulnerability is a result of a stack-based buffer overflow in the setLanguageCfg function of the file cstecgi.cgi in Totolink LR1200GB 9.1.0u.6619_B20230130. Below are more technical details about this CVE:

Vulnerability Description

The vulnerability stems from improper handling of user input, specifically the argument lang, which can be exploited to trigger a stack-based buffer overflow.

Affected Systems and Versions

Vendor: Totolink
Product: LR1200GB
Affected Version: 9.1.0u.6619_B20230130

Exploitation Mechanism

By manipulating the argument lang with malicious data, threat actors can exploit this vulnerability remotely, potentially leading to unauthorized access or system compromise.

Mitigation and Prevention

To mitigate the risks associated with CVE-2024-0577, immediate steps should be taken, and long-term security practices should be implemented.

Immediate Steps to Take

Implement network controls to restrict access to vulnerable services.
Monitor network traffic for any suspicious activity targeting the vulnerable function.
Apply vendor-recommended security patches or updates to address the vulnerability.

Long-Term Security Practices

Regularly update and patch all software to ensure security vulnerabilities are addressed promptly.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities proactively.
Educate users and IT staff on security best practices to prevent exploitation of known vulnerabilities.

Patching and Updates

It is crucial to install the latest security patches and updates provided by Totolink to eliminate the vulnerability present in LR1200GB 9.1.0u.6619_B20230130. Regularly check for updates and apply them promptly to secure your system against potential exploits.