CVE-2023-5143 : Security Advisory and Response

This CVE-2023-5143 pertains to a privilege escalation vulnerability found in D-Link DAR-7000's webmailattach.php.

Understanding CVE-2023-5143

This vulnerability allows attackers to escalate privileges on the D-Link DAR-7000 device, impacting its security and functionality.

What is CVE-2023-5143?

The vulnerability in D-Link DAR-7000 up to version 20151231 allows for privilege escalation due to the mishandling of the /log/webmailattach.php file. The manipulation of the table_name argument can lead to an unknown security weakness, enabling remote attackers to exploit the system.

The Impact of CVE-2023-5143

With a CVSS base score of 6.3, this medium-severity vulnerability poses a significant risk to affected systems. If exploited, it can result in unauthorized privilege escalation on the D-Link DAR-7000 device, compromising its integrity and confidentiality.

Technical Details of CVE-2023-5143

This section provides more insights into the vulnerability, its affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability in webmailattach.php on D-Link DAR-7000 devices allows remote attackers to escalate privileges by manipulating the table_name argument.

Affected Systems and Versions

The vulnerability affects D-Link DAR-7000 devices up to version 20151231.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by manipulating the vulnerable argument to escalate privileges on the target device.

Mitigation and Prevention

To safeguard against CVE-2023-5143 and prevent potential security incidents, consider the following mitigation strategies:

Immediate Steps to Take

End-of-Life Products: As the affected product is no longer supported, it is recommended to retire and replace it with a supported alternative.

Long-Term Security Practices

Regular Security Updates: Ensure devices are kept up to date with the latest security patches to mitigate known vulnerabilities.
Network Segmentation: Implement network segmentation to prevent unauthorized access to critical systems.

Patching and Updates

Check for any patches or updates released by D-Link to address the privilege escalation vulnerability in DAR-7000's webmailattach.php. Regularly monitor official channels for security advisories and apply patches promptly.