CVE-2020-9142: Buffer Overflow

Published Jan 13, 2021

Updated

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.

Affected Software

11 affected components

Huawei Emui=9.1.0

Huawei Emui=9.1.1

Huawei Emui=10.0.0

Huawei Emui=10.1.0

Huawei Emui=10.1.1

Huawei Emui=11.0.0

Huawei Magic Ui=2.1.1

Huawei Magic Ui=3.0.0

Huawei Magic Ui=3.1.0

Huawei Magic Ui=3.1.1

Huawei Magic Ui=4.0.0

Event History

Jan 13, 2021

CVE Published

via MITRE·09:48 PM

Data Sourced

via MITRE·09:48 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2020-9142?

CVE-2020-9142 is classified as a high severity vulnerability due to the potential for memory overwriting and heap overflow.

How do I fix CVE-2020-9142?

To fix CVE-2020-9142, update your Huawei device to the latest supported software version released by Huawei.

Which Huawei devices are affected by CVE-2020-9142?

CVE-2020-9142 affects Huawei devices running specific versions of EMUI and Magic UI, including versions 9.1.0, 9.1.1, 10.0.0, 10.1.0, 10.1.1, and 11.0.0 as well as various Magic UI versions.

What type of vulnerability is CVE-2020-9142?

CVE-2020-9142 is a heap-based buffer overflow vulnerability that occurs during the processing of update files.

What can happen if CVE-2020-9142 is exploited?

If exploited, CVE-2020-9142 can lead to heap overflow and memory corruption, potentially compromising the device's functionality.