CVE-2023-21020

Published Mar 24, 2023

Last updated 2 years ago

Overview

Description: In registerSignalHandlers of main.c, there is a possible local arbitrary code execution due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256591441
Source: security@android.com
NVD status: Analyzed

Hype score: Not currently trending

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: CWE-416

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References