CVE-2021-0968 Integer overflow in Android
An integer overflow in Android's memory allocator allows remote attackers to execute arbitrary code without user interaction or additional privileges.
- 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-2021-0968?
CVE-2021-0968 is a high-severity 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 osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
Weakness: CWE-190
Which versions are affected by CVE-2021-0968?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0968?
Apply the vendor's patch.
Is CVE-2021-0968 being exploited?
There is no known exploitation of CVE-2021-0968 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-197868577, ASB-A-197868577, GHSA-53f8-7jq7-5j37.