CVE-2022-20023 Denial of service in MT6580, MT6630, MT6735, MT6737, MT6739, MT6750S, MT6753, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6889, MT6893, MT7662T, MT7663, MT7668, MT7915, MT7920, MT7921, MT7922, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8185, MT8195, MT8321, MT8362A, MT8362B, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Remote attackers can crash Bluetooth services on MediaTek devices by flooding them with LMP_AU_rand packets, causing denial of service without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20023?
CVE-2022-20023 is a medium-severity denial of service vulnerability in Google Android, published on 4 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Bluetooth, there is a possible application crash due to bluetooth flooding a device with LMP_AU_rand packet. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198608; Issue ID: ALPS06198608.
Weakness: CWE-772
Which versions are affected by CVE-2022-20023?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20023?
No fix has been published for CVE-2022-20023 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-2022-20023 being exploited?
There is no known exploitation of CVE-2022-20023 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-wv95-5hh8-j5cp.