CVE-2021-39985 Integer overflow in HarmonyOS

High 7.5 Published Updated

An improper array index validation flaw in the HwNearbyMain module allows attackers to cause a process restart, resulting in denial of service.

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-2021-39985?

CVE-2021-39985 is a high-severity vulnerability in Huawei Harmonyos, published on 3 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The HwNearbyMain module has a Improper Validation of Array Index vulnerability.Successful exploitation of this vulnerability may cause a process to restart.

Weakness: CWE-129

Which versions are affected by CVE-2021-39985?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-39985?

No fix has been published for CVE-2021-39985 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-39985 being exploited?

There is no known exploitation of CVE-2021-39985 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-6vf7-35mx-fxf5.

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