CVE-2023-21097 Privilege escalation in Android
A confused deputy vulnerability in Android's Intent handling allows local attackers to launch arbitrary activities and escalate privileges 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-2023-21097?
CVE-2023-21097 is a high-severity vulnerability in Google Android, published on 19 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In toUriInner of Intent.java, there is a possible way to launch an arbitrary activity due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261858325
Weakness: CWE-610
Which versions are affected by CVE-2023-21097?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21097?
Apply the vendor's patch.
Is CVE-2023-21097 being exploited?
There is no known exploitation of CVE-2023-21097 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-261858325, ASB-A-261858325, GHSA-7w5f-wcvc-3cgw.