CVE-2023-21108: Use After Free

Published Jun 5, 2023

Updated

In sdpubuilduuidseq of sdpdiscovery.cc, there is a possible out of bounds write due to a use after free. This could lead to remote code execution over Bluetooth, if HFP support is enabled, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-239414876

Affected Software

5 affected components

Google Android=11.0

Google Android=12.0

Google Android=12.1

Google Android=13.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2023-06-01

Event History

Jun 5, 2023

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jun 15, 2023

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2023-21108?

CVE-2023-21108 has a high severity due to its potential for remote code execution over Bluetooth.

How do I fix CVE-2023-21108?

To fix CVE-2023-21108, ensure that your Android device is updated to the latest security patch provided by Google.

Which versions of Android are affected by CVE-2023-21108?

CVE-2023-21108 affects Android versions 11.0, 12.0, 12.1, and 13.0.

Is user interaction required to exploit CVE-2023-21108?

No, user interaction is not needed for the exploitation of CVE-2023-21108.

What could happen if CVE-2023-21108 is exploited?

If exploited, CVE-2023-21108 could lead to remote code execution, potentially allowing an attacker to gain control of the affected device.