CVE-2018-4028 Path traversal in Novatek

Medium 5.3 Published 13 May 2019 Updated 5 Aug 2024

An attacker can overwrite the root directory via HTTP POST requests, causing a denial of service on the dashcam.

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-2018-4028?

CVE-2018-4028 is a medium-severity path traversal 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 firmware update vulnerability exists in the NT9665X Chipset firmware running on the Anker Roav A1 Dashcam, version RoavA1SWV1.9. The HTTP server could allow an attacker to overwrite the root directory of the server, resulting in a denial of service. An attacker can send an HTTP POST request to trigger this vulnerability.

Weakness: CWE-732

Which versions are affected by CVE-2018-4028?

It affects 1 product.

Products include Anker-in Roav Dashcam A1 Firmware.

How do I fix CVE-2018-4028?

No fix has been published for CVE-2018-4028 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-4028 being exploited?

There is no known exploitation of CVE-2018-4028 in the wild and no public exploit code.

Sources

Also known as GHSA-8fhx-6cpg-5878.