CVE-2023-21083
In onNullBinding of CallScreeningServiceHelper.java, there is a possible way to record audio without showing a privacy indicator due to a permissions bypass.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In onNullBinding of CallScreeningServiceHelper.java, there is a possible way to record audio without showing a privacy indicator due to a permissions bypass. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-252762941
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.09% probability · 1th percentile
- CISA KEV
- Not listed
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2023-04-01Vendor Advisory
- https://source.android.com/security/bulletin/2023-04-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.