CVE-2022-46319 Memory corruption in EMUI
Attackers can exploit missing boundary checks in fingerprint calibration to cause out-of-bounds writes, potentially leading to code execution or privilege escalation on Huawei devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-46319?
CVE-2022-46319 is a critical memory corruption vulnerability in Huawei Emui, published on 20 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Fingerprint calibration has a vulnerability of lacking boundary judgment. Successful exploitation of this vulnerability may cause out-of-bounds write.
Weakness: CWE-787
Which versions are affected by CVE-2022-46319?
It affects 2 products.
Products include Huawei Emui, Huawei Harmonyos.
How do I fix CVE-2022-46319?
No fix has been published for CVE-2022-46319 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-46319 being exploited?
There is no known exploitation of CVE-2022-46319 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-594c-767g-25xp.