CVE-2023-40138: ADP Grant - Enumerating other users' contact photos via Dataset presentation shown in AutoFillService's FillUi

platform/frameworks/base Updated 02 Oct 2025

Summary

01/02/2025

Disclosed on

CVE-2023-40138

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2023-40138: In FillUi of FillUi.java, there is a possible way to view another user's images. Affects platform/frameworks/base across 4 version ranges.

>= 12:0, < 12:2025-02-01 >= 12L:0, < 12L:2025-02-01 >= 13:0, < 13:2025-02-01 >= 15-next:0, < 15-next:2025-02-01

Fixed in 15-next:2025-02-01. How to fix ↓

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Background

The package under scrutiny is platform/frameworks/base in the Android ecosystem. This package is a fundamental part of the Android operating system, providing core functionalities and services. It includes various components and APIs that enable the functioning of Android devices. One of these components is AutoFillService, which is responsible for automatically filling in forms and fields with user data. AutoFillService's FillUi is the user interface component that presents the autofill suggestions to the user. It is within this component that the vulnerability exists.

Vulnerability Detail

The vulnerability in FillUi.java allows for the enumeration of other users' contact photos due to a confused deputy issue. This means that an attacker can exploit this vulnerability to view contact photos of other users without requiring any additional execution privileges. The vulnerability does not require user interaction for exploitation. This can lead to local information disclosure, potentially compromising user privacy and security.

How To Fix

Minimum fixed version

15-next:2025-02-01

This is the first release that contains the fix.

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Workaround

No specific workaround has been mentioned for this vulnerability.

Conclusion

In conclusion, the vulnerability in AutoFillService's FillUi component of the platform/frameworks/base package allows for the enumeration of other users' contact photos. This can lead to local information disclosure without requiring additional execution privileges. It is recommended to apply the provided fix and update to the fixed versions of the package to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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