CVE-2023-21116
First published: Mon May 01 2023(Updated: )
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
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | =11.0 | |
| Google Android | =12.0 | |
| Google Android | =12.1 | |
| Google Android | =13.0 | |
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Reference Links
- https://android.googlesource.com/platform/frameworks/base/+/08e20afd61c8a038503506e58bcf932360f19127
- https://android.googlesource.com/platform/frameworks/base/+/eecb1f05c7af24dc50fbc8425a8f64ee61ac2a05
- https://source.android.com/docs/security/bulletin/2023-05-01 (Advisory)
- https://source.android.com/security/bulletin/2023-05-01
- agent/type
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/description
- agent/remedy
- agent/severity
- agent/references
- agent/author
- agent/tags
- agent/softwarecombine
- agent/event
- collector/android-source
- source/Android
- agent/software-canonical-lookup
- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- vendor/google
- canonical/google android
- version/google android/11.0
- version/google android/12.0
- version/google android/12.1
- version/google android/13.0