Vulnerability Details : CVE-2023-21020

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

Vulnerability category: Memory Corruption

Published 2023-03-24 20:15:13

Updated 2023-03-29 17:21:16

Source Android (associated with Google Inc. or Open Handset Alliance)

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-21020

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-21020

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	[email protected]
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-21020

CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: [email protected] (Primary)

References for CVE-2023-21020

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

Patch;Vendor Advisory

CVEs referencing this url

Products affected by CVE-2023-21020

Google » Android » Version: 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
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