CVE-2023-21272 Privilege escalation in Android
Local attackers can escalate privileges via improper input validation in Android's Uri.java, requiring no user interaction or additional execution privileges.
- 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-2023-21272?
CVE-2023-21272 is a high-severity vulnerability in Google Android, published on 14 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In readFrom of Uri.java, there is a possible bad URI permission grant due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Which versions are affected by CVE-2023-21272?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21272?
Apply the vendor's patch.
Is CVE-2023-21272 being exploited?
There is no known exploitation of CVE-2023-21272 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-227471459, ASB-A-227471459, GHSA-qwg2-w2jv-5hp7.