CVE-2022-20496 Use after free in Android
A use-after-free flaw in Android's media extractor allows local attackers to execute arbitrary code and disclose information 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-2022-20496?
CVE-2022-20496 is a medium-severity use after free vulnerability in Google Android, published on 13 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In setDataSource of initMediaExtractor.cpp, there is a possibility of arbitrary code execution due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-245242273
Weakness: CWE-416
Which versions are affected by CVE-2022-20496?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20496?
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-2022-20496 being exploited?
There is no known exploitation of CVE-2022-20496 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-245242273, ASB-A-245242273, GHSA-76mx-8chc-6m73.