CVE-2023-48692 : Vulnerability Insights and Analysis

This article provides detailed information about the Azure RTOS NetX Duo Remote Code Execution Vulnerability (CVE-2023-48692).

Understanding CVE-2023-48692

This section delves into the specifics of CVE-2023-48692.

What is CVE-2023-48692?

Azure RTOS NetX Duo is a TCP/IP network stack for embedded real-time and IoT applications. This vulnerability allows remote code execution due to memory overflow issues in certain components of the RTOS version 6.2.1 and below. Upgrading to NetX Duo release 6.3.0 is recommended.

The Impact of CVE-2023-48692

The vulnerability can be exploited for remote code execution, posing a critical risk to affected systems. Attackers can potentially compromise confidentiality, integrity, and availability of the system.

Technical Details of CVE-2023-48692

In this section, we discuss the technical details of CVE-2023-48692.

Vulnerability Description

The vulnerability arises from memory overflow issues in components related to icmp, tcp, snmp, dhcp, nat, and ftp within Azure RTOS NetX Duo version 6.2.1 and earlier. Systems running versions below 6.3.0 are affected.

Affected Systems and Versions

Azure RTOS NetX Duo versions prior to 6.3.0 are vulnerable to remote code execution. Users of affected versions are at risk and should upgrade to the latest release for mitigation.

Exploitation Mechanism

Remote attackers can exploit the memory overflow vulnerabilities in Azure RTOS NetX Duo to execute arbitrary code and potentially gain unauthorized access to the target system.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent CVE-2023-48692.

Immediate Steps to Take

Users should upgrade Azure RTOS NetX Duo to version 6.3.0 or later to address the remote code execution vulnerability. Implementing network segmentation and access controls can help reduce the attack surface.

Long-Term Security Practices

Regularly updating and patching systems is critical to safeguard against known vulnerabilities. Security training for developers and administrators can enhance overall security posture.

Patching and Updates

Vendor-supplied patches for Azure RTOS NetX Duo are available in release 6.3.0. Users are strongly advised to apply these patches to protect their systems.