CVE-2021-1026 Information disclosure in Android
A local attacker can determine if specific apps are installed on Android devices without query permissions via a side channel in RTT service.
- 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-2021-1026?
CVE-2021-1026 is a medium-severity vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In startRanging of RttServiceImpl.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194798757
Weakness: CWE-203
Which versions are affected by CVE-2021-1026?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-1026?
Apply the vendor's patch.
Is CVE-2021-1026 being exploited?
There is no known exploitation of CVE-2021-1026 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-194798757, GHSA-58f3-gjmv-9j5x, PUB-A-194798757.