CVE-2023-21032 Memory corruption in Android
A heap buffer overflow in Android's ufdt_convert.c allows local attackers with system privileges to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21032?
CVE-2023-21032 is a medium-severity memory corruption vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In _ufdt_output_node_to_fdt of ufdt_convert.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-248085351
Weakness: CWE-125
Which versions are affected by CVE-2023-21032?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21032?
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-2023-21032 being exploited?
There is no known exploitation of CVE-2023-21032 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-248085351, GHSA-3pcp-j82c-wg8v, PUB-A-248085351.