CVE-2021-22305 Memory corruption in HUAWEI Mate 30

Low 3.3 Published 6 Feb 2021 Updated 3 Aug 2024

Attackers can cause a buffer overflow and service disruption in Huawei Mate 30 devices by sending malicious input to a specific module.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22305?

CVE-2021-22305 is a low-severity memory corruption vulnerability in HUAWEI Mate 30, published on 6 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is a buffer overflow vulnerability in Mate 30 10.1.0.126(C00E125R5P3). A module does not verify the some input when dealing with messages. Attackers can exploit this vulnerability by sending malicious input through specific module. This could cause buffer overflow, compromising normal service.

Weakness: CWE-120

Which versions are affected by CVE-2021-22305?

It affects 1 product.

Products include Huawei Mate 30 Firmware.

How do I fix CVE-2021-22305?

No fix has been published for CVE-2021-22305 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-2021-22305 being exploited?

There is no known exploitation of CVE-2021-22305 in the wild and no public exploit code.

Sources

Also known as GHSA-34p8-x6j6-mmg5.