CVE-2021-40062 Memory corruption in EMUI

High 7.5 Published Updated

Attackers can cause denial of service in Huawei mobile devices via a buffer overflow in the video framework.

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-2021-40062?

CVE-2021-40062 is a high-severity memory corruption vulnerability in Huawei Emui, published on 7 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a vulnerability of copying input buffer without checking its size in the video framework. Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-120

Which versions are affected by CVE-2021-40062?

It affects 2 products.

Products include Huawei Emui, Huawei Magic Ui.

How do I fix CVE-2021-40062?

No fix has been published for CVE-2021-40062 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-40062 being exploited?

There is no known exploitation of CVE-2021-40062 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-fj54-cxmx-mv4r.

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