CVE-2023-48692 Azure RTOS NetX Duo Remote Code Execution Vulnerability

Critical 9.1 Published 5 Dec 2023 Updated 2 Aug 2024

Attackers can achieve remote code execution via memory overflow vulnerabilities in the Azure RTOS NetX Duo TCP/IP stack.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-48692?

CVE-2023-48692 is a critical memory corruption vulnerability in azure-rtos netxduo, published on 5 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to icmp, tcp, snmp, dhcp, nat and ftp in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-825, CWE-787

Which versions are affected by CVE-2023-48692?

It affects 1 product.

Products include Microsoft Azure Rtos Netx Duo.

How do I fix CVE-2023-48692?

No fix has been published for CVE-2023-48692 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-48692 being exploited?

There is no known exploitation of CVE-2023-48692 in the wild and no public exploit code.

Sources

Also known as GHSA-m2rx-243p-9w64.