CVE-2020-9243 Denial of service in HUAWEI Mate 30

Medium 5.5 Published 10 Aug 2020 Updated 4 Aug 2024

An attacker can cause a denial of service on Huawei Mate 30 devices by tricking users into installing a malicious application that triggers excessive recursion.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-9243?

CVE-2020-9243 is a medium-severity denial of service vulnerability in HUAWEI Mate 30, published on 10 Aug 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a denial of service vulnerability. The system does not properly limit the depth of recursion, an attacker should trick the user installing and execute a malicious application. Successful exploit could cause a denial of service condition.

Weakness: CWE-674

Which versions are affected by CVE-2020-9243?

It affects 1 product.

Products include Huawei Mate 30 Firmware.

How do I fix CVE-2020-9243?

No fix has been published for CVE-2020-9243 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-9243 being exploited?

There is no known exploitation of CVE-2020-9243 in the wild and no public exploit code.

Sources

Also known as GHSA-6ppm-q587-qrq9.