CVE-2023-21116

In verifyReplacingVersionCode of InstallPackageHelper.java, there is a possible way to downgrade system apps below system image version due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256202273

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://source.android.com/security/bulletin/2023-05-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2023-05-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*
	cpe:2.3:o:google:android:12.1:::::::*
	cpe:2.3:o:google:android:13.0:::::::*

History

24 Jan 2025, 17:15

Type	Values Removed	Values Added
CWE		CWE-863

21 Nov 2024, 07:42

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2023-05-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2023-05-01 - Patch, Vendor Advisory

24 May 2023, 00:19

Type	Values Removed	Values Added
First Time		Google android Google
CPE		cpe:2.3:o:google:android:12.1:::::::* cpe:2.3:o:google:android:13.0:::::::* cpe:2.3:o:google:android:12.0:::::::* cpe:2.3:o:google:android:11.0:::::::*
CWE		NVD-CWE-Other
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.7
References	~~(MISC) https://source.android.com/security/bulletin/2023-05-01 -~~	(MISC) https://source.android.com/security/bulletin/2023-05-01 - Patch, Vendor Advisory

15 May 2023, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-05-15 22:15

Updated : 2025-01-24 17:15

NVD link : CVE-2023-21116

Mitre link : CVE-2023-21116

CVE.ORG link : CVE-2023-21116

JSON object : View

Products Affected

google

android

CWE

NVD-CWE-Other CWE-863

Incorrect Authorization

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