Use After Free in Huawei Mate 9
CVE-2017-8142
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.
Vulnerability class: Use-After-Free
EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Huawei Mate_9
- Huawei Mate_9_firmware
- Huawei Mate_9_pro
- Huawei Mate_9_pro_firmware
- Huawei Technologies Co., Ltd. Mate 9, 9 Pro — versions Versions earlier than MHA-AL00BC00B221, Versions earlier than LON-AL00BC00B221
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@huawei.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-8142?
- CVE-2017-8142 is a high-severity vulnerability in Huawei Mate 9, classified under Use After Free. CVSS score: 7.8/10. Published 2017-11-22.
- How severe is CVE-2017-8142?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-8142 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.