CVE-2021-1026: Medium severity Google Android vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/platform/packages/modules/Wifito a version that resolves this vulnerability.Fixed in 12:2021-12-01
Event History
Frequently Asked Questions
Who can exploit this issue?
A local attacker with low privileges can exploit it. User interaction is not required, and no additional execution privileges are needed.
What information could be exposed?
The issue can allow an app to determine whether another app is installed, even without query permissions. The disclosed information is limited to this installation-status side channel.
Which Android versions are identified as affected?
The provided data identifies Android 12 as affected.
How is the issue addressed?
The issue is associated with Android ID A-194798757 and a referenced change in the Android Wi-Fi module. The provided data does not specify a workaround for devices that cannot be updated.