CVE-2023-20967 Memory corruption in Android
A local attacker can exploit an out-of-bounds write in the Android AVDT component to escalate privileges 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-2023-20967?
CVE-2023-20967 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 avdt_scb_hdl_pkt_no_frag of avdt_scb_act.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege 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-225879503
Weakness: CWE-787
Which versions are affected by CVE-2023-20967?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20967?
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-2023-20967 being exploited?
There is no known exploitation of CVE-2023-20967 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-225879503, ASB-A-225879503, GHSA-2g3h-mh2w-wpjr.