CVE-2023-21080: Out of Bounds Read in register_notification_rsp in libbtif

platform/packages/modules/Bluetooth Updated 02 Oct 2025

Summary

01/04/2023

Disclosed on

CVE-2023-21080

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2023-21080: In register_notification_rsp of btif_rc.cc, there is a possible out of bounds read due to a missing bounds check. Affects platform/packages/modules/Bluetooth across 2 version ranges.

>= 13:0, < 13:2023-04-01 >= 13-next:0, < 13-next:2023-04-01

Fixed in 13-next:2023-04-01. How to fix ↓

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Background

The package under scrutiny is platform/packages/modules/Bluetooth in the Android ecosystem. This package provides functionality for Bluetooth communication on Android devices. It includes various modules and libraries for Bluetooth operations. The vulnerability affects the btif_rc.cc file in the libbtif library. This library is responsible for handling Bluetooth remote control functionality. The register_notification_rsp function in btif_rc.cc is susceptible to an out of bounds read vulnerability.

Vulnerability Detail

The vulnerability arises due to a missing bounds check in the register_notification_rsp function of btif_rc.cc. An attacker can exploit this vulnerability to perform an out of bounds read, leading to local information disclosure. The vulnerability does not require any additional execution privileges and does not rely on user interaction. The impact of this vulnerability is the potential exposure of sensitive information stored in the affected device's memory.

How To Fix

Minimum fixed version

13-next:2023-04-01

This is the first release that contains the fix.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

In conclusion, the platform/packages/modules/Bluetooth package in the Android ecosystem is vulnerable to an out of bounds read in the register_notification_rsp function of libbtif. This vulnerability can lead to local information disclosure without requiring additional execution privileges. Developers should apply the provided fix from the Android Open Source Project to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.

See every vulnerability recorded for platform/packages/modules/Bluetooth →