CVE-2022-20377

Published Aug 11, 2022

Last updated 2 years ago

CVSS medium 6.7

Overview

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
Source: security@android.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 6.7
Impact score: 5.9
Exploitability score: 0.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References