CVE-2023-21273: When you run this design, you should be concerned about this vulnerability! (20th Aug 2023)

Preface: UUID is an simple 128 bit digit which uniquely distributed across the world. Bluetooth sends data over air and all nearby device can receive it.

Background: Android “O” was officially released on August 21, 2017 under the name “Oreo”. The BluetoothHidDevice framework adds the SDP record during app registration, so that the Android device can be discovered as a Bluetooth HID Device. The related module include file “sdp_db[.]cc” was appear during this period of time. As time goes by, bluetooth module including file sdp_db[.]cc carry forward to present. So called Android Open Source Project (ASOP).

Vulnerability details: In SDP_AddAttribute of sdp_db[.]cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Severity – Critical

Type – RCE

Updated AOSP versions – 11,12,12L, 13

Official Announcement: For details, please refer to the link below:

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