CVE-2023-21085 Memory corruption in Android
A missing bounds check in Android's NFC stack allows remote attackers to execute arbitrary code via adjacent network access without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21085?
CVE-2023-21085 is a high-severity memory corruption vulnerability in Google Android, published on 19 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In nci_snd_set_routing_cmd of nci_hmsgs.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-264879662
Weakness: CWE-787
Which versions are affected by CVE-2023-21085?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21085?
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-2023-21085 being exploited?
There is no known exploitation of CVE-2023-21085 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-264879662, ASB-A-264879662, GHSA-x577-rg5p-733q.