CVE-2017-8140 Use after free in P9 Plus
A double free vulnerability in the soundtrigger driver allows malicious apps to cause system crashes or execute arbitrary code on Huawei P9 Plus 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-2017-8140?
CVE-2017-8140 is a high-severity use after free vulnerability in Huawei Technologies Co., Ltd. P9 Plus, 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 soundtrigger driver in P9 Plus smart phones with software versions earlier than VIE-AL10BC00B353 has a memory double free vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to free specific memory, which could triggers double free and causes a system crash or arbitrary code execution.
Weakness: CWE-415
Which versions are affected by CVE-2017-8140?
It affects 1 product.
Products include Huawei P9 Plus Firmware.
How do I fix CVE-2017-8140?
No fix has been published for CVE-2017-8140 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-2017-8140 being exploited?
There is no known exploitation of CVE-2017-8140 in the wild and no public exploit code.
Other vulnerabilities in Huawei Technologies Co., Ltd. P9 Plus
Sources
Also known as GHSA-j356-v755-mh97.