CVE-2021-0735 Missing authorization in Android

Medium 5.5 Published Updated

Local attackers can bypass Android 11 package visibility restrictions to disclose installed package information without user interaction or elevated privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-0735?

CVE-2021-0735 is a medium-severity missing authorization vulnerability in Google Android, published on 11 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In PackageManager, there is a possible way to get information about installed packages ignoring limitations introduced in Android 11 due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-188913056

Weakness: CWE-862

Which versions are affected by CVE-2021-0735?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0735?

No fix has been published for CVE-2021-0735 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-0735 being exploited?

There is no known exploitation of CVE-2021-0735 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-94hh-hxm2-ccw5.

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