CVE-2023-20939

2023-02-2817:15:10

CWE-667

[email protected]

web.nvd.nist.gov

memory corruption

looper_backed_event_loop

local privilege escalation

android

cve-2023-20939

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Percentile

5.1%

JSON

In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-243362981

Affected configurations

Nvd

Node

googleandroidMatch12.0

googleandroidMatch12.1

googleandroidMatch13.0

VendorProductVersionCPE
googleandroid12.0cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
googleandroid12.1cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
googleandroid13.0cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
google	android	12.0	cpe:2.3:o:google:android:12.0:::::::*
google	android	12.1	cpe:2.3:o:google:android:12.1:::::::*
google	android	13.0	cpe:2.3:o:google:android:13.0:::::::*