CVE-2021-0402 Memory corruption in Android
An out-of-bounds write in the JPEG component allows local attackers with system privileges to escalate privileges on Android devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-0402?
CVE-2021-0402 is a medium-severity memory corruption vulnerability in Google Android, published on 26 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In jpeg, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05433311.
Weakness: CWE-787
Which versions are affected by CVE-2021-0402?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0402?
No fix has been published for CVE-2021-0402 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-2021-0402 being exploited?
There is no known exploitation of CVE-2021-0402 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-v7gv-m5f9-wh8w.