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.

Vulnerability/
CVE-2020-9142

critical

9.1

CWE

787 119

13/1/2021

4/8/2024

CVE-2020-9142: Buffer Overflow

First published: Wed 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.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
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

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Reference Links

https://consumer.huawei.com/en/support/bulletin/2020/12/

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.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/references
agent/author
agent/weakness
agent/tags
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/huawei
canonical/huawei emui
version/huawei emui/9.1.0
version/huawei emui/9.1.1
version/huawei emui/10.0.0
version/huawei emui/10.1.0
version/huawei emui/10.1.1
version/huawei emui/11.0.0
canonical/huawei magic ui
version/huawei magic ui/2.1.1
version/huawei magic ui/3.0.0
version/huawei magic ui/3.1.0
version/huawei magic ui/3.1.1
version/huawei magic ui/4.0.0

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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.