VulnerabilityModified

CVE-2022-20377

This could lead to local escalation of privilege with no additional execution privileges needed.

MEDIUM 6.7EPSS 0.10%

Does this matter?

Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.

Description

In TBD of keymaster_ipc.cpp, there is a possible to force gatekeeper, fingerprint, and faceauth to use a known HMAC key. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222339795References: N/A

CVSS 3.1: 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.10% probability · 1th percentile
CISA KEV: Not listed
Affected: google/android
Source: security@android.com

References

https://source.android.com/security/bulletin/pixel/2022-08-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2022-08-01Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.