2021-25429 | Samsung Smart Phone Bluetooth privileges management

By Max On Jul 11, 2021

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5.1	$0-$5k	1.43

A vulnerability was found in Samsung Smart Phone (Smartphone Operating System). It has been rated as critical. This issue affects an unknown part of the component Bluetooth. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper privilege management vulnerability in Bluetooth application prior to SMR July-2021 Release 1 allows untrusted application to access the Bluetooth information in Bluetooth application.

The weakness was released 07/09/2021. The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2021-25429 since 01/19/2021. The exploitation is known to be easy. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version SMR July-2021 Release 1 eliminates this vulnerability. The upgrade is hosted for download at security.samsungmobile.com.

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