CVE-2022-20022 Denial of service in MT6580, MT6630, MT6735, MT6737, MT6739, MT6750S, MT6753, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6763, MT6771, MT7662T, MT7663, MT7668, MT8163, MT8167, MT8167S, MT8173, MT8183, MT8321, MT8362A, MT8362B, MT8385, MT8765, MT8788

Medium 6.5 Published Updated

Remote attackers can cause Bluetooth denial of service by connecting with a duplicate BD address, affecting MediaTek chipsets.

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-2022-20022?

CVE-2022-20022 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 link disconnection due to bluetooth does not properly handle a connection attempt from a host with the same BD address as the currently connected BT host. 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: ALPS06198578; Issue ID: ALPS06198578.

Which versions are affected by CVE-2022-20022?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20022?

No fix has been published for CVE-2022-20022 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-2022-20022 being exploited?

There is no known exploitation of CVE-2022-20022 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-r374-8jvq-gj6j.

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