CVE-2020-0471: Input Validation

Published Jan 4, 2021

Updated

In reassembleanddispatch of packetfragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.

Affected Software

6 affected components

Google Android=8.0

Google Android=8.1

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2021-01-01

Event History

Jan 4, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jan 11, 2021

CVE Published

via MITRE·09:47 PM

Data Sourced

via MITRE·09:47 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2020-0471?

CVE-2020-0471 has a high severity rating due to the potential for remote escalation of privilege in Bluetooth connections.

How do I fix CVE-2020-0471?

To fix CVE-2020-0471, it is recommended to update your Android device to the latest security patch version provided by Google.

Which Android versions are affected by CVE-2020-0471?

CVE-2020-0471 affects Android versions 8.0, 8.1, 9.0, 10.0, and 11.0.

Who is impacted by CVE-2020-0471?

Users of vulnerable Android versions could be impacted by CVE-2020-0471 if they connect to nearby malicious Bluetooth devices.

What type of attack does CVE-2020-0471 enable?

CVE-2020-0471 enables a proximal attacker to inject packets into an encrypted Bluetooth connection, potentially escalating privileges.