CVE-2023-39389 Denial of service in EMUI

High 7.5 Published Updated

Attackers can cause home screen unavailability in Huawei EMUI and HarmonyOS due to insufficient input validation in the PMS module.

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-2023-39389?

CVE-2023-39389 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 parameters being not strictly verified in the PMS module. Successful exploitation of this vulnerability may cause home screen unavailability.

Weakness: CWE-20, CWE-1285, CWE-120

Which versions are affected by CVE-2023-39389?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2023-39389?

No fix has been published for CVE-2023-39389 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-2023-39389 being exploited?

There is no known exploitation of CVE-2023-39389 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-jh8m-g69p-mv3x.

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