CVE-2023-24762 : Vulnerability Insights and Analysis

This CVE record was published on March 13, 2023, by MITRE. It involves an OS Command injection vulnerability in D-Link DIR-867 DIR_867_FW1.30B07 that allows attackers to execute arbitrary commands via a crafted LocalIPAddress parameter for the SetVirtualServerSettings to HNAP1.

Understanding CVE-2023-24762

This section will detail what CVE-2023-24762 is and its potential impact, along with technical aspects and mitigation strategies.

What is CVE-2023-24762?

CVE-2023-24762 is an OS Command injection vulnerability found in the D-Link DIR-867 DIR_867_FW1.30B07, which enables malicious actors to execute unauthorized commands through a manipulated LocalIPAddress parameter for the SetVirtualServerSettings to HNAP1.

The Impact of CVE-2023-24762

The impact of CVE-2023-24762 is severe as it allows threat actors to execute arbitrary commands on affected systems, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2023-24762

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

Vulnerability Description

The vulnerability in D-Link DIR-867 DIR_867_FW1.30B07 arises from improper input validation of the LocalIPAddress parameter, enabling attackers to inject and execute malicious commands on the system.

Affected Systems and Versions

The CVE-2023-24762 affects the D-Link DIR-867 with firmware version DIR_867_FW1.30B07.

Exploitation Mechanism

Attackers can exploit CVE-2023-24762 by crafting a malicious value for the LocalIPAddress parameter within the SetVirtualServerSettings to HNAP1 request, allowing them to execute unauthorized commands.

Mitigation and Prevention

To address CVE-2023-24762, immediate steps should be taken along with long-term security practices and the application of patches and updates.

Immediate Steps to Take

Immediate actions include disabling remote access to vulnerable devices, implementing network-level controls, and closely monitoring network traffic for any signs of exploitation.

Long-Term Security Practices

To enhance security posture in the long term, organizations should conduct regular security assessments, employ network segmentation, utilize strong authentication mechanisms, and educate users on safe computing practices.

Patching and Updates

D-Link is likely to release a firmware update addressing CVE-2023-24762. It is crucial for affected users to promptly apply the patch once available to mitigate the vulnerability and secure their systems.