CVE-2018-4023 Memory corruption in Novatek

Critical 10.0 Published 13 May 2019 Updated 5 Aug 2024

A stack-based buffer overflow in the dashcam firmware allows remote attackers to execute arbitrary code via a crafted packet.

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-2018-4023?

CVE-2018-4023 is a critical memory corruption vulnerability in Novatek, published on 13 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable code execution vulnerability exists in the XML_UploadFile Wi-Fi command of the NT9665X Chipset firmware, running on the Anker Roav A1 Dashcam, version RoavA1SWV1.9. A specially crafted packet can cause a stack-based buffer overflow, resulting in code execution.

Weakness: CWE-787

Which versions are affected by CVE-2018-4023?

It affects 1 product.

Products include Anker-in Roav Dashcam A1 Firmware.

How do I fix CVE-2018-4023?

No fix has been published for CVE-2018-4023 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-2018-4023 being exploited?

There is no known exploitation of CVE-2018-4023 in the wild and no public exploit code.

Sources

Also known as GHSA-xr27-v8wc-87cr.