CVE-2018-7993 Use after free in HUAWEI Mate 10

High 7.8 Published 31 Jul 2018 Updated 5 Aug 2024

A use-after-free flaw in the mediaserver component allows arbitrary code execution via a malicious application on Huawei Mate 10 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-7993?

CVE-2018-7993 is a high-severity use after free vulnerability in HUAWEI Mate 10, published on 31 Jul 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

HUAWEI Mate 10 smartphones with versions earlier than ALP-AL00 8.1.0.311 have a use after free vulnerability on mediaserver component. An attacker tricks the user install a malicious application, which make the software to reference memory after it has been freed. Successful exploit could cause execution of arbitrary code.

Weakness: CWE-416

Which versions are affected by CVE-2018-7993?

It affects 1 product.

Products include Huawei Mate 10 Firmware.

How do I fix CVE-2018-7993?

No fix has been published for CVE-2018-7993 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-7993 being exploited?

There is no known exploitation of CVE-2018-7993 in the wild and no public exploit code.

Sources

Also known as GHSA-jwg2-h4rx-f4gm.