CVE-2020-9256 Missing authorization in Mate 30 Pro

Medium 6.5 Published Updated

A malicious application can cause a denial of audio service on Huawei Mate 30 Pro devices due to improper system service authorization.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-9256?

CVE-2020-9256 is a medium-severity missing authorization vulnerability in Huawei Mate 30 Pro, published on 17 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Huawei Mate 30 Pro smartphones with versions earlier than 10.1.0.150(C00E136R5P3) have an improper authorization vulnerability. The system does not properly restrict the use of system service by applications, the attacker should trick the user into installing a malicious application, successful exploit could cause a denial of audio service.

Which versions are affected by CVE-2020-9256?

It affects 1 product.

Products include Huawei Mate 30 Pro Firmware.

How do I fix CVE-2020-9256?

No fix has been published for CVE-2020-9256 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-9256 being exploited?

There is no known exploitation of CVE-2020-9256 in the wild and no public exploit code.

Sources

Also known as GHSA-3p77-prh6-2vh7.

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