Google Android 10.0/11.0/12.0 Phone Number CallSubjectDialog.java readArguments input validation

Summaryinfo

A vulnerability has been found in Google Android 10.0/11.0/12.0 and classified as critical. This vulnerability affects the function readArguments of the file CallSubjectDialog.java of the component Phone Number Handler. This manipulation causes input validation. This vulnerability is handled as CVE-2022-20134. It is possible to launch the attack on the local host. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Google Android 10.0/11.0/12.0 (Smartphone Operating System). Affected by this vulnerability is the function readArguments of the file CallSubjectDialog.java of the component Phone Number Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In readArguments of CallSubjectDialog.java, there is a possible way to trick the user to call the wrong phone number due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-218341397

The weakness was released 06/15/2022 as A-218341397. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2022-20134 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/15/2022). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 10.0
• 11.0
• 12.0

License

• free

Website

• Vendor: https://www.google.com/

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