CVE-2023-21090 Denial of service in Android
A local attacker can cause a boot loop via resource exhaustion in Android's package parsing, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-21090?
CVE-2023-21090 is a medium-severity denial of service vulnerability in Google Android, published on 19 Apr 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 parseUsesPermission of ParsingPackageUtils.java, there is a possible boot loop due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-259942609
Weakness: CWE-400
Which versions are affected by CVE-2023-21090?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21090?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-21090 being exploited?
There is no known exploitation of CVE-2023-21090 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-259942609, ASB-A-259942609, GHSA-fgwf-cxwh-j7gg.