CVE-2022-20441 Missing authorization in Android
A logic error in Android's Task.java allows local attackers to launch unexported intent handlers, leading to privilege escalation without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-20441?
CVE-2022-20441 is a high-severity missing authorization vulnerability in Google Android, published on 8 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In navigateUpTo of Task.java, there is a possible way to launch an unexported intent handler due to a logic error in the code. This could lead to local escalation of privilege if the targeted app has an intent trampoline, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-238605611
Weakness: CWE-276
Which versions are affected by CVE-2022-20441?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20441?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-20441 being exploited?
There is no known exploitation of CVE-2022-20441 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-238605611, ASB-A-238605611, GHSA-pppm-qqpf-jj26.