CVE-2023-21252: Input Validation
First published: Mon Oct 02 2023(Updated: )
In validatePassword of WifiConfigurationUtil.java, there is a possible way to get the device into a boot loop 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.
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 | |
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Reference Links
- https://android.googlesource.com/platform/packages/modules/Wifi/+/044ab0684153c4effb9f4fda47df43ccdc77bda8
- https://android.googlesource.com/platform/packages/modules/Wifi/+/50b08ee30e04d185e5ae97a5f717d436fd5a90f3
- https://source.android.com/docs/security/bulletin/2023-10-01 (Advisory)
- https://source.android.com/security/bulletin/2023-10-01
Frequently Asked Questions
What is CVE-2023-21252?
CVE-2023-21252 is a vulnerability in WifiConfigurationUtil.java in Google Android that allows an attacker to cause a denial of service by triggering a boot loop.
What is the severity of CVE-2023-21252?
CVE-2023-21252 has a severity value of 7, which is classified as high severity.
How does CVE-2023-21252 impact the device?
CVE-2023-21252 can lead to a local denial of service on the device without requiring additional execution privileges.
Is user interaction required for exploiting CVE-2023-21252?
No, user interaction is not needed for exploiting CVE-2023-21252.
How can I fix CVE-2023-21252?
To fix CVE-2023-21252, it is recommended to apply the latest security updates provided by Google for Android.
- agent/first-publish-date
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- version/google android/12.0
- version/google android/12.1
- version/google android/13.0