CVE-2023-21069 Memory corruption in Android
A missing bounds check in the Android kernel Wi-Fi driver allows local attackers with system privileges to escalate privileges via an out-of-bounds write.
- 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-2023-21069?
CVE-2023-21069 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 wl_update_hidden_ap_ie of wl_cfgscan.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-254029309References: N/A
Weakness: CWE-787
Which versions are affected by CVE-2023-21069?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21069?
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-2023-21069 being exploited?
There is no known exploitation of CVE-2023-21069 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-254029309, GHSA-56wq-w554-cc9v, PUB-A-254029309.