CVE-2023-21129 Security feature bypass in Android
A background activity launch bypass in Android allows local attackers to escalate privileges via full-screen intent notifications.
- 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
- Available
What is CVE-2023-21129?
CVE-2023-21129 is a high-severity vulnerability in Google Android, published on 15 Jun 2023. 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 getFullScreenIntentDecision of NotificationInterruptStateProviderImpl.java, there is a possible activity launch while the app is in the background due to a BAL bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-274759612
Weakness: CWE-276
Which versions are affected by CVE-2023-21129?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21129?
Apply the vendor's patch.
Is CVE-2023-21129 being exploited?
There is no known exploitation of CVE-2023-21129 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-274759612, ASB-A-274759612, GHSA-hhq8-7427-jggm.