CVE-2023-20906 — HIGH (7.8)

Vulnerability Description

In onPackageAddedInternal of PermissionManagerService.java, there is a possible way to silently grant a permission after a Target SDK update due to a permissions bypass. This could lead to local escalation of privilege after updating an app to a higher Target SDK with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-221040577

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

References

https://source.android.com/security/bulletin/2023-03-01Vendor Advisory
https://source.android.com/security/bulletin/2023-03-01Vendor Advisory

FAQ

What is CVE-2023-20906?

CVE-2023-20906 is a vulnerability with a CVSS score of 7.8 (HIGH). In onPackageAddedInternal of PermissionManagerService.java, there is a possible way to silently grant a permission after a Target SDK update due to a permissions bypass. This could lead to local escal...

How severe is CVE-2023-20906?

CVE-2023-20906 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20906?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.