CVE-2023-21020 — Use After Free in Google Android

CWE-416 — Use After Free3 documents3 sources

Severity

6.7MEDIUMNVD

EPSS

0.0%

top 87.18%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Platform Packages Modules Statsd Google Android

Timeline

PublishedMar 24

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-13

▶NVDgoogle/android13.0

▶Androidplatform/packages_modules_statsd13:0 — 13:2023-03-01

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

GHSA

GHSA-6g7v-365p-9jh2: In registerSignalHandlers of main↗2023-03-24

▶

OSV

CVE-2023-21020: In registerSignalHandlers of main↗2023-03-01

▶