CVE-2021-0971 Memory corruption in Android
A missing bounds check in the MPEG4 extractor allows remote attackers to disclose information via a crafted media file, requiring user interaction.
- 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-2021-0971?
CVE-2021-0971 is a medium-severity memory corruption vulnerability in Google Android, published on 15 Dec 2021. 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 MPEG4Source::read of MPEG4Extractor.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-188893559
Weakness: CWE-787
Which versions are affected by CVE-2021-0971?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0971?
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-2021-0971 being exploited?
There is no known exploitation of CVE-2021-0971 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-188893559, ASB-A-188893559, GHSA-4v59-97h7-jh77.