CVE-2022-20423 Integer overflow in Android

Medium 4.6 Published Updated

A local attacker with a malicious USB device can escalate privileges via an integer overflow in the Android kernel's RNDIS driver.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-20423?

CVE-2022-20423 is a medium-severity vulnerability in Google Android, published on 11 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In rndis_set_response of rndis.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege if a malicious USB device is attached with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-239842288References: Upstream kernel

Weakness: CWE-190

Which versions are affected by CVE-2022-20423?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20423?

Apply the vendor's patch.

Is CVE-2022-20423 being exploited?

There is no known exploitation of CVE-2022-20423 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-239842288, ASB-A-239842288, DEBIAN-CVE-2022-20423, GHSA-9994-rx95-frv3, OESA-2022-2027, UBUNTU-CVE-2022-20423.

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