CVE-2023-21111: Input Validation
First published: Mon May 15 2023(Updated: )
In several functions of PhoneAccountRegistrar.java, there is a possible way to prevent an access to emergency services due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256819769
Credit: security@android.com 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 | |
| Google Android | ||
| =11.0 | ||
| =12.0 | ||
| =12.1 | ||
| =13.0 |
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Reference Links
- https://source.android.com/security/bulletin/2023-05-01
- https://android.googlesource.com/platform/packages/services/Telecomm/+/77e56baaab063bac6374e0ebe4f3941b91a1ae71
- https://android.googlesource.com/platform/frameworks/base/+/d697852919eeb26e161c9a426f89668bd3abb92d
- https://source.android.com/docs/security/bulletin/2023-11-01 (Advisory)
Frequently Asked Questions
What is CVE-2023-21111?
CVE-2023-21111 is a vulnerability in the PhoneAccountRegistrar.java file that allows for the prevention of access to emergency services due to improper input validation.
How does CVE-2023-21111 affect Google Android?
CVE-2023-21111 affects Google Android versions 11.0, 12.0, 12.1, and 13.0.
What is the severity of CVE-2023-21111?
CVE-2023-21111 has a severity rating of 5.5 (High).
How can CVE-2023-21111 be exploited?
CVE-2023-21111 can be exploited to cause a local denial of service without requiring additional execution privileges.
Are user interactions required for the exploitation of CVE-2023-21111?
No, user interaction is not needed for the exploitation of CVE-2023-21111.
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/type
- agent/author
- agent/references
- agent/weakness
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- agent/event
- collector/android-source
- source/Android
- agent/software-canonical-lookup
- agent/tags
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/severity
- agent/source
- 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