CVE-2023-36853 : Security Advisory and Response

A detailed analysis of CVE-2023-36853, a vulnerability in Keysight Geolocation Server that allows a low-privileged attacker to load a DLL with SYSTEM privileges.

Understanding CVE-2023-36853

This section delves into the specifics of the CVE-2023-36853 vulnerability in Keysight Geolocation Server.

What is CVE-2023-36853?

In Keysight Geolocation Server v2.4.2 and prior versions, a low-privileged attacker can create a local ZIP file containing a malicious script to load a DLL with SYSTEM privileges.

The Impact of CVE-2023-36853

The vulnerability has a CVSSv3.1 base score of 7.8, indicating a high severity issue. It could lead to a compromise of confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-36853

This section provides a deeper dive into the technical aspects of the CVE-2023-36853 vulnerability.

Vulnerability Description

The issue arises from Keysight Geolocation Server's handling of ZIP files, allowing an attacker to execute arbitrary code with elevated privileges.

Affected Systems and Versions

Keysight Geolocation Server versions prior to 2.4.2 are vulnerable to this exploit.

Exploitation Mechanism

An attacker with low privileges can manipulate a ZIP file to execute unauthorized DLLs with elevated system permissions.

Mitigation and Prevention

Learn how to mitigate the CVE-2023-36853 vulnerability to protect your systems.

Immediate Steps to Take

It is recommended to upgrade the N6854A Geolocation server to version 2.4.3 to address this vulnerability.

Long-Term Security Practices

Implement strict file validation mechanisms to prevent unauthorized script execution through ZIP files.

Patching and Updates

Regularly apply security patches and updates provided by Keysight to safeguard against similar vulnerabilities.