CVE-2024-0572: Vulnerability Insights and Analysis

This CVE-2024-0572 vulnerability was classified as critical and affects Totolink LR1200GB 9.1.0u.6619_B20230130, specifically the function

setOpModeCfg

in the file

/cgi-bin/cstecgi.cgi

. The issue arises from the manipulation of the

pppoeUser

argument leading to a stack-based buffer overflow. It is notable that this vulnerability allows remote attacks and has a publicly disclosed exploit available.

Understanding CVE-2024-0572

This section delves deeper into the nature and impact of CVE-2024-0572.

What is CVE-2024-0572?

The CVE-2024-0572 vulnerability is a critical stack-based buffer overflow found in Totolink LR1200GB 9.1.0u.6619_B20230130, particularly in the

setOpModeCfg

function of the file

/cgi-bin/cstecgi.cgi

. By manipulating the

pppoeUser

argument, attackers can trigger a buffer overflow, potentially leading to unauthorized remote access.

The Impact of CVE-2024-0572

With a base score of 8.8 out of 10 (indicating a high severity level), this vulnerability poses a significant risk to affected systems. The exploit, which has been publicly disclosed, can be leveraged by malicious actors to compromise the security and integrity of vulnerable devices.

Technical Details of CVE-2024-0572

This section focuses on the technical aspects of the CVE-2024-0572 vulnerability.

Vulnerability Description

The vulnerability stems from a stack-based buffer overflow in the

setOpModeCfg

function of Totolink LR1200GB 9.1.0u.6619_B20230130, triggered by manipulating the

pppoeUser

argument. This flaw allows attackers to execute remote attacks, potentially compromising the affected system.

Affected Systems and Versions

The vulnerability affects Totolink LR1200GB version 9.1.0u.6619_B20230130. Systems running this specific version are at risk of exploitation if not addressed promptly.

Exploitation Mechanism

Attackers can exploit CVE-2024-0572 remotely by sending crafted requests to the vulnerable

setOpModeCfg

function, triggering the stack-based buffer overflow. This can lead to unauthorized access and potential compromise of the targeted system.

Mitigation and Prevention

Mitigating the risks associated with CVE-2024-0572 requires prompt action and implementation of robust security measures.

Immediate Steps to Take

System administrators are advised to apply security patches and updates provided by Totolink to address the vulnerability promptly. Additionally, monitoring network traffic for any suspicious activity can help detect and prevent potential exploits.

Long-Term Security Practices

To enhance overall security posture, organizations should regularly conduct security audits, implement secure coding practices, and educate users about potential threats like stack-based buffer overflows. Enforcing the principle of least privilege and adopting a proactive security stance can mitigate similar vulnerabilities in the future.

Patching and Updates

Vendors often release patches and updates to address known vulnerabilities. It is crucial for organizations to prioritize applying these patches to safeguard their systems from exploitation. Regularly updating software and firmware can help prevent security breaches and ensure a more secure IT environment.