CVE-2023-21117 Privilege escalation in Android
Local attackers can escalate privileges by bypassing permissions to register broadcast receivers from isolated processes in Android.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21117?
CVE-2023-21117 is a high-severity vulnerability in Google Android, published on 15 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In registerReceiverWithFeature of ActivityManagerService.java, there is a possible way for isolated processes to register a broadcast receiver due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-263358101
Weakness: CWE-863
Which versions are affected by CVE-2023-21117?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21117?
Apply the vendor's patch.
Is CVE-2023-21117 being exploited?
There is no known exploitation of CVE-2023-21117 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-263358101, ASB-A-263358101, GHSA-2q3q-wgvc-2m5p.