CVE-2022-42520 Use after free in Android

Medium 6.7 Published Updated

A use-after-free flaw in Android's ServiceInterface allows local attackers with system privileges to escalate privileges without user interaction.

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

What is CVE-2022-42520?

CVE-2022-42520 is a medium-severity use after free vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In ServiceInterface::HandleRequest of serviceinterface.cpp, there is a possible use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-242994270References: N/A

Weakness: CWE-416

Which versions are affected by CVE-2022-42520?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-42520?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-42520 being exploited?

There is no known exploitation of CVE-2022-42520 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-242994270, GHSA-hxp5-wrwm-m9hj, PUB-A-242994270.

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