CVE-2023-20952 Memory corruption in Android
A missing bounds check in Android's A2DP SBC codec allows local attackers to read sensitive memory without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-20952?
CVE-2023-20952 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 A2DP_BuildCodecHeaderSbc of a2dp_sbc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure 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-186803518
Weakness: CWE-787
Which versions are affected by CVE-2023-20952?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20952?
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-2023-20952 being exploited?
There is no known exploitation of CVE-2023-20952 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-186803518, ASB-A-186803518, GHSA-vwcp-cv62-4fx4.