CVE-2020-9142 Memory corruption in EMUI;Magic UI
Heap buffer overflow in Huawei smartphone OS allows attackers to overwrite memory and potentially execute code via malicious update files.
- 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-2020-9142?
CVE-2020-9142 is a critical memory corruption vulnerability in Huawei Emui, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a heap base buffer overflow vulnerability in some Huawei smartphone.Successful exploitation of this vulnerability can cause heap overflow and memory overwriting when the system incorrectly processes the update file.
Weakness: CWE-787
Which versions are affected by CVE-2020-9142?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2020-9142?
No fix has been published for CVE-2020-9142 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-2020-9142 being exploited?
There is no known exploitation of CVE-2020-9142 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-w82f-48jf-c4v4.