CVE-2023-21206 Deserialization in Android
An attacker with system privileges can exploit unsafe deserialization in Android to perform an out-of-bounds read, leading to local information disclosure.
- 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-2023-21206?
CVE-2023-21206 is a medium-severity unsafe deserialization vulnerability in Google Android, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In initiateVenueUrlAnqpQueryInternal of sta_iface.cpp, there is a possible out of bounds read due to unsafe deserialization. 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-262245630
Which versions are affected by CVE-2023-21206?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21206?
Apply the vendor's patch.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-21206 being exploited?
There is no known exploitation of CVE-2023-21206 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-262245630, GHSA-frhp-pv4w-xxj6, PUB-A-262245630.