CVE-2020-27036 Memory corruption in Android
A missing bounds check in the Android NFC server allows local attackers with System privileges to escalate privileges via an out-of-bounds write.
- 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-2020-27036?
CVE-2020-27036 is a medium-severity memory corruption vulnerability in Google Android, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In phNxpNciHal_send_ext_cmd of phNxpNciHal_ext.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege in the NFC server with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-153731369
Which versions are affected by CVE-2020-27036?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-27036?
No fix has been published for CVE-2020-27036 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-2020-27036 being exploited?
There is no known exploitation of CVE-2020-27036 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-c529-rjcg-qqqv.