CVE-2017-8142 Use after free in Mate 9, Mate 9 Pro
A malicious application can trigger a use-after-free in the TEE driver, leading to system crashes or arbitrary code execution on Huawei Mate 9 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-2017-8142?
CVE-2017-8142 is a high-severity use after free vulnerability in Huawei Technologies Co., Ltd. Mate 9, Mate 9 Pro, published on 22 Nov 2017. 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
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.
Weakness: CWE-416
Which versions are affected by CVE-2017-8142?
It affects 2 products.
Products include Huawei Mate 9 Firmware, Huawei Mate 9 Pro Firmware.
How do I fix CVE-2017-8142?
No fix has been published for CVE-2017-8142 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-8142 being exploited?
There is no known exploitation of CVE-2017-8142 in the wild and no public exploit code.
Other vulnerabilities in Huawei Technologies Co., Ltd. Mate 9, Mate 9 Pro
Sources
Also known as GHSA-8h88-hf49-3hhp.