CVE-2023-24018 Memory corruption in UR32L

High 8.8 Published 6 Jul 2023 Updated 2 Aug 2024

An authenticated attacker can trigger a stack-based buffer overflow in the Milesight UR32L router via a crafted HTTP request, potentially leading to code execution.

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

What is CVE-2023-24018?

CVE-2023-24018 is a high-severity memory corruption vulnerability in Milesight Ur32l Firmware, published on 6 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A stack-based buffer overflow vulnerability exists in the libzebra.so.0.0.0 security_decrypt_password functionality of Milesight UR32L v32.3.0.5. A specially crafted HTTP request can lead to a buffer overflow. An authenticated attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-24018?

It affects 1 product.

Products include Milesight Ur32l Firmware.

How do I fix CVE-2023-24018?

No fix has been published for CVE-2023-24018 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-2023-24018 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-24018 exists.

All Milesight Ur32l Firmware vulnerabilities

Sources

Also known as GHSA-w3gc-whgg-2cmr.