CVE-2019-2023 Privilege escalation in Android
An insecure permissions check in Android's ServiceManager allows apps to replace HAL services, gaining code execution in a privileged process.
- 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-2019-2023?
CVE-2019-2023 is a high-severity vulnerability in Google Android, published on 19 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ServiceManager::add function in the hardware service manager, there is an insecure permissions check based on the PID of the caller. This could allow an app to add or replace a HAL service with its own service, gaining code execution in a privileged process.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9Android ID: A-121035042Upstream kernel
Weakness: CWE-732
Which versions are affected by CVE-2019-2023?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2019-2023?
No fix has been published for CVE-2019-2023 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-2023 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-2023 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-vxcx-jv3q-w6jm.