CVE-2022-36423 Denial of service in OpenHarmony

High 7.4 Published Updated

LAN attackers can cause a denial of service on OpenHarmony devices via stack overflow in the cJSON library during recursive parsing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-36423?

CVE-2022-36423 is a high-severity denial of service vulnerability in Openatom Openharmony, published on 9 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OpenHarmony-v3.1.2 and prior versions have an incorrect configuration of the cJSON library, which leads a Stack overflow vulnerability during recursive parsing. LAN attackers can lead a DoS attack to all network devices.

Weakness: CWE-787, CWE-16

Which versions are affected by CVE-2022-36423?

It affects 2 products.

Products include Openatom Openharmony, Openharmony Openharmony.

How do I fix CVE-2022-36423?

No fix has been published for CVE-2022-36423 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-2022-36423 being exploited?

There is no known exploitation of CVE-2022-36423 in the wild and no public exploit code.

All Openatom Openharmony vulnerabilities

Sources

Also known as GHSA-2cf7-6ggv-hfxq.

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