CVE-2021-39677 Memory corruption in Android
An out-of-bounds read in the Android camera service allows attackers to read heap memory or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-39677?
CVE-2021-39677 is a high-severity memory corruption vulnerability in Google Android, published on 11 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In startVideoStream() there is a possibility of an OOB Read in the heap, when the camera buffer is ‘zero’ in size.Product: AndroidVersions: Android-11Android ID: A-205097028
Weakness: CWE-125
Which versions are affected by CVE-2021-39677?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39677?
No fix has been published for CVE-2021-39677 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-39677 being exploited?
There is no known exploitation of CVE-2021-39677 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-xc5v-9pg8-rx79.