In getDefaultSmsPackage of RoleManagerService.java, there is a possible way to get information about the default sms app of a different device user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-177927831
CVE-2021-0686 - Medium Severity Vulnerability
Vulnerable Library - baseandroid-10.0.0_r34
Android framework classes and services
Library home page: https://android.googlesource.com/platform/frameworks/base
Found in HEAD commit: d8f6b708be07b0042c1fe77f596e197a04c32153
Found in base branch: master
Vulnerable Source Files (1)
/services/core/java/com/android/server/role/RoleManagerService.java
Vulnerability Details
In getDefaultSmsPackage of RoleManagerService.java, there is a possible way to get information about the default sms app of a different device user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-177927831
Publish Date: 2021-10-06
URL: CVE-2021-0686
CVSS 3 Score Details (5.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: None - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://source.android.com/security/bulletin/2021-09-01
Release Date: 2021-10-06
Fix Resolution: android-11.0.0_r43
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