Google Android 13.0 WindowManagerService.java updateInputChannel denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Google Android 13.0. This impacts the function updateInputChannel of the file WindowManagerService.java. The manipulation results in denial of service.
This vulnerability is known as CVE-2023-21026. Attacking locally is a requirement. No exploit is available.
It is advisable to implement a patch to correct this issue.
Details
A vulnerability was found in Google Android 13.0 (Smartphone Operating System). It has been classified as problematic. Affected is the function updateInputChannel of the file WindowManagerService.java. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:
In updateInputChannel of WindowManagerService.java, there is a possible way to set a touchable region beyond its own SurfaceControl due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-254681548
The weakness was published 03/25/2023 as A-254681548. The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2023-21026 since 11/03/2022. There are known technical details, but no exploit is available.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25194). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/03/2022 🔍03/25/2023 🔍
03/25/2023 🔍
09/08/2025 🔍
Sources
Vendor: google.comAdvisory: A-254681548
Status: Confirmed
CVE: CVE-2023-21026 (🔍)
GCVE (CVE): GCVE-0-2023-21026
GCVE (VulDB): GCVE-100-223980
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 03/25/2023 09:05Updated: 09/08/2025 05:09
Changes: 03/25/2023 09:05 (43), 04/15/2023 08:42 (10), 09/08/2025 05:09 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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