CVE-2023-21116

Medium

6.7/10

Summary

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

Attack Complexity: LOW
Attack Vector: LOCAL
Integrity Impact: HIGH
Scope: UNCHANGED
User Interaction: NONE
Privileges Required: HIGH
Confidentiality Impact: HIGH
Availability Impact: HIGH

References

Advisory Timeline

Published May 15, 2023

CVE-2023-21116

Summary

References

Advisory Timeline

ChainJacking

JetBrains IDE

KICS SaaS