CVE-2023-24238 : Security Advisory and Response

This CVE record, published on February 16, 2023, highlights a command injection vulnerability found in TOTOlink A7100RU(V7.4cu.2313_B20191024) through the city parameter at setting/delStaticDhcpRules.

Understanding CVE-2023-24238

This section will delve into what CVE-2023-24238 is and its impact, technical details, as well as mitigation and prevention steps.

What is CVE-2023-24238?

CVE-2023-24238 refers to a command injection vulnerability identified in TOTOlink A7100RU(V7.4cu.2313_B20191024) that can be exploited via the city parameter at setting/delStaticDhcpRules.

The Impact of CVE-2023-24238

This vulnerability can potentially allow malicious actors to execute arbitrary commands on the affected system, leading to unauthorized access, data breaches, and other security risks.

Technical Details of CVE-2023-24238

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The command injection vulnerability in TOTOlink A7100RU(V7.4cu.2313_B20191024) arises from insufficient input validation in the city parameter at setting/delStaticDhcpRules, enabling attackers to inject and execute malicious commands.

Affected Systems and Versions

The vulnerability impacts TOTOlink A7100RU(V7.4cu.2313_B20191024) with the specified firmware version, leaving it susceptible to exploitation.

Exploitation Mechanism

By manipulating the city parameter in the setting/delStaticDhcpRules path, threat actors can inject malicious commands, potentially gaining unauthorized control over the affected system.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the impact of CVE-2023-24238 and prevent future occurrences of similar vulnerabilities.

Immediate Steps to Take

Immediately update the firmware or apply patches provided by the vendor to address the command injection vulnerability in TOTOlink A7100RU(V7.4cu.2313_B20191024). Additionally, restrict access to potentially vulnerable components to limit exposure.

Long-Term Security Practices

Implement robust input validation mechanisms, secure coding practices, and regular security assessments to proactively identify and remediate vulnerabilities in network devices and infrastructure.

Patching and Updates

Stay informed about security advisories and updates from the vendor of TOTOlink A7100RU(V7.4cu.2313_B20191024), ensuring prompt deployment of patches to safeguard against known vulnerabilities like CVE-2023-24238.