CVE-2021-39706
First published: Mon Mar 07 2022(Updated: )
In onResume of CredentialStorage.java, there is a possible way to cleanup content of credentials storage due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-200164168
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Android | =10.0 | |
| Android | =11.0 | |
| Android | =12.0 |
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Reference Links
- https://android.googlesource.com/platform/packages/apps/Settings/+/6407b20ab3ab49318ba5cbfc0d6b59c675df67b4
- https://android.googlesource.com/platform/packages/apps/Car/Settings/+/6a6489935d203715a755b21b374e1e3b3085aa3f
- https://source.android.com/docs/security/bulletin/2022-03-01 (Advisory)
- https://source.android.com/security/bulletin/2022-03-01
Frequently Asked Questions
What is the severity of CVE-2021-39706?
CVE-2021-39706 has a medium severity rating due to the potential for local privilege escalation.
How do I fix CVE-2021-39706?
To remediate CVE-2021-39706, ensure you are running the latest version of Android that addresses the vulnerability.
What systems are affected by CVE-2021-39706?
CVE-2021-39706 affects Android versions 10, 11, and 12.
Who can exploit CVE-2021-39706?
CVE-2021-39706 requires user interaction for exploitation, allowing local users to potentially escalate privileges.
What could happen if CVE-2021-39706 is exploited?
Exploitation of CVE-2021-39706 could lead to unauthorized access to sensitive credential storage on affected Android devices.
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