What is CVE-2017-8142?

CVE-2017-8142 is a use after free (UAF) vulnerability found in the Trusted Execution Environment (TEE) module driver of Huawei Mate 9 and Mate 9 Pro smartphones.

How does CVE-2017-8142 affect Huawei Mate 9 and Mate 9 Pro smartphones?

CVE-2017-8142 allows an attacker to trick a user into installing a malicious application, leading to a use after free vulnerability in the TEE module driver of Huawei Mate 9 and Mate 9 Pro smartphones.

What is the severity of CVE-2017-8142?

CVE-2017-8142 has a severity score of 7.8 (critical).

How can I fix CVE-2017-8142?

To fix CVE-2017-8142, ensure that you have updated your Huawei Mate 9 and Mate 9 Pro smartphones to software versions MHA-AL00BC00B221 and LON-AL00BC00B221 or later.

Where can I find more information about CVE-2017-8142?

You can find more information about CVE-2017-8142 on the Huawei Security Advisory page at http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170615-01-smartphone-en.

Vulnerability/
CVE-2017-8142

critical

9.3

CWE

416

22/11/2017

16/9/2024

CVE-2017-8142: Use After Free

First published: Wed Nov 22 2017(Updated: )

The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free (UAF) vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could triggers access memory after free it and causes a system crash or arbitrary code execution.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei Mate 9 Firmware	<mha-al00bc00b221
Huawei Mate 9
Huawei Mate 9 Pro Firmware	<lon-al00bc00b221
Huawei Mate 9 Pro

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Reference Links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170615-01-smartphone-en

Frequently Asked Questions

What is CVE-2017-8142?
CVE-2017-8142 is a use after free (UAF) vulnerability found in the Trusted Execution Environment (TEE) module driver of Huawei Mate 9 and Mate 9 Pro smartphones.
How does CVE-2017-8142 affect Huawei Mate 9 and Mate 9 Pro smartphones?
CVE-2017-8142 allows an attacker to trick a user into installing a malicious application, leading to a use after free vulnerability in the TEE module driver of Huawei Mate 9 and Mate 9 Pro smartphones.
What is the severity of CVE-2017-8142?
CVE-2017-8142 has a severity score of 7.8 (critical).
How can I fix CVE-2017-8142?
To fix CVE-2017-8142, ensure that you have updated your Huawei Mate 9 and Mate 9 Pro smartphones to software versions MHA-AL00BC00B221 and LON-AL00BC00B221 or later.
Where can I find more information about CVE-2017-8142?
You can find more information about CVE-2017-8142 on the Huawei Security Advisory page at http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170615-01-smartphone-en.

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