CVE-2021-0339
First published: Mon Feb 01 2021(Updated: )
In loadAnimation of WindowContainer.java, there is a possible way to keep displaying a malicious app while a target app is brought to the foreground. 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-8.1 Android-9Android ID: A-145728687
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Android | =8.1 | |
| Android | =9.0 | |
| Android | =10.0 |
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Reference Links
- https://android.googlesource.com/platform/frameworks/base/+/36bcc77337814d4d36e2b10eb062ac417d91611e
- https://android.googlesource.com/platform/frameworks/base/+/4236b3e88fe444e2fbec7aa564fccf8b57c071dd
- https://android.googlesource.com/platform/frameworks/base/+/6de34f8ee714691dbc3c089245bf832006826ebe
- https://android.googlesource.com/platform/frameworks/base/+/8669ef385780b8415412407deec85539a1e7db98
- https://android.googlesource.com/platform/frameworks/base/+/ee11625bb707c3512d4e44a35cc85b0bd14a2478
- https://source.android.com/docs/security/bulletin/2021-02-01 (Advisory)
- https://source.android.com/security/bulletin/2021-02-01
Frequently Asked Questions
What is the severity of CVE-2021-0339?
CVE-2021-0339 is considered a local escalation of privilege vulnerability.
How do I fix CVE-2021-0339?
To fix CVE-2021-0339, update your device to the latest security patch provided by Google.
Which versions of Android are affected by CVE-2021-0339?
CVE-2021-0339 affects Android versions 8.1, 9.0, and 10.0.
What type of attack can exploit CVE-2021-0339?
CVE-2021-0339 can be exploited through malicious applications displayed while another app is brought to the foreground.
Does CVE-2021-0339 require user interaction to be exploited?
Yes, CVE-2021-0339 requires user interaction for exploitation.
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