CVE-2022-21757 Denial of service in MT6833, MT6853, MT6877, MT6885, MT6889, MT6983, MT6985, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8766, MT8768, MT8786, MT8788, MT8789, MT8797
A missing count check in MediaTek WiFi firmware allows remote attackers to cause a system crash without user interaction or privileges.
- 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-2022-21757?
CVE-2022-21757 is a high-severity denial of service vulnerability in Google Android, published on 6 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In WIFI Firmware, there is a possible system crash due to a missing count check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06468894; Issue ID: ALPS06468894.
Weakness: CWE-354
Which versions are affected by CVE-2022-21757?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-21757?
No fix has been published for CVE-2022-21757 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-2022-21757 being exploited?
There is no known exploitation of CVE-2022-21757 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-h44p-cmmg-hcp9.