CVE-2023-39390 Denial of service in EMUI

High 7.5 Published 13 Aug 2023 Updated 10 Oct 2024

Attackers can trigger a device restart via improper input validation in window management APIs, affecting Huawei mobile devices.

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-2023-39390?

CVE-2023-39390 is a high-severity denial of service vulnerability in Huawei Emui, published on 13 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability of input parameter verification in certain APIs in the window management module. Successful exploitation of this vulnerability may cause the device to restart.

Weakness: CWE-116, CWE-20

Which versions are affected by CVE-2023-39390?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2023-39390?

No fix has been published for CVE-2023-39390 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-2023-39390 being exploited?

There is no known exploitation of CVE-2023-39390 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-m2cr-5jfq-pf77.