CVE-2020-9123 Memory corruption in HUAWEI P30 Pro

High 7.8 Published 12 Oct 2020 Updated 4 Aug 2024

An attacker with root privileges can trigger a buffer overflow via malicious packets, leading to code execution on Huawei P30 Pro 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-2020-9123?

CVE-2020-9123 is a high-severity memory corruption vulnerability in HUAWEI P30 Pro, published on 12 Oct 2020. 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 P30 Pro versions earlier than 10.1.0.160(C00E160R2P8) and versions earlier than 10.1.0.160(C01E160R2P8) have a buffer overflow vulnerability. An attacker induces users to install malicious applications and sends specially constructed packets to affected devices after obtaining the root permission. Successful exploit may cause code execution.

Weakness: CWE-787

Which versions are affected by CVE-2020-9123?

It affects 1 product.

Products include Huawei P30 Pro Firmware.

How do I fix CVE-2020-9123?

No fix has been published for CVE-2020-9123 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-2020-9123 being exploited?

There is no known exploitation of CVE-2020-9123 in the wild and no public exploit code.

Sources

Also known as GHSA-855f-rqvc-24wm.