CVE-2023-40638 Missing authorization in T760/T770/T820/S8000
A missing permission check in the Telecom service allows local attackers with system privileges to cause a denial of service on Unisoc Android devices.
- 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-2023-40638?
CVE-2023-40638 is a medium-severity missing authorization vulnerability in Google Android, published on 8 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Telecom service, there is a possible missing permission check. This could lead to local denial of service with System execution privileges needed
Weakness: CWE-862
Which versions are affected by CVE-2023-40638?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-40638?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-40638 being exploited?
There is no known exploitation of CVE-2023-40638 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-296491611, ASB-A-296491611, GHSA-wgj7-7mcr-r6qg, U-2212107.