CVE-2021-37046 Denial of service in EMUI
A memory leak in the codec detection module allows attackers to exhaust device memory, causing Huawei smartphones to restart.
- 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-2021-37046?
CVE-2021-37046 is a high-severity denial of service vulnerability in Huawei Emui, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a Memory leak vulnerability with the codec detection module in Huawei Smartphone.Successful exploitation of this vulnerability may cause the device to restart due to memory exhaustion.
Weakness: CWE-401
Which versions are affected by CVE-2021-37046?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2021-37046?
No fix has been published for CVE-2021-37046 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-37046 being exploited?
There is no known exploitation of CVE-2021-37046 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-5vp7-vvx6-j367.