CVE-2020-0204 Race condition in Android

High 7.0 Published Updated

A time-of-check/time-of-use race condition in Android's package installer allows local attackers to bypass signature checks and escalate privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-0204?

CVE-2020-0204 is a high-severity vulnerability in Google Android, published on 11 Jun 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In InstallPackage of package.cpp, there is a possible bypass of a signature check due to a Time of Check/Time of Use condition. This could lead to local escalation of privilege by allowing a bypass of the initial zip file signature check for an OS update with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-136498130

Weakness: CWE-367

Which versions are affected by CVE-2020-0204?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0204?

No fix has been published for CVE-2020-0204 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0204 being exploited?

There is no known exploitation of CVE-2020-0204 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-v9vj-qvc7-4xjj.

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