CVE-2023-21096 Use after free in Android
A use-after-free vulnerability in Android's attribution processor allows remote code execution without user interaction or additional privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21096?
CVE-2023-21096 is a critical use after free vulnerability in Google Android, published on 19 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In OnWakelockReleased of attribution_processor.cc, there is a use after free that could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-254774758
Weakness: CWE-416
Which versions are affected by CVE-2023-21096?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21096?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-21096 being exploited?
There is no known exploitation of CVE-2023-21096 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-254774758, ASB-A-254774758, GHSA-q697-jx8q-hvf2.