CVE-2022-20202 Memory corruption in Android
A heap buffer overflow in the Android H.264 decoder allows remote attackers to disclose sensitive information via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-20202?
CVE-2022-20202 is a medium-severity memory corruption vulnerability in Google Android, published on 15 Jun 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In ih264_resi_trans_quant_4x4_sse42 of ih264_resi_trans_quant_sse42.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-204704614
Weakness: CWE-787
Which versions are affected by CVE-2022-20202?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20202?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-20202 being exploited?
There is no known exploitation of CVE-2022-20202 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-204704614, GHSA-6jr6-7jrx-9wjj, PUB-A-204704614.