CVE-2023-20989: Out-of-Bounds Read in Bluetooth Stack

platform/packages/modules/Bluetooth Updated 02 Oct 2025

Summary

01/06/2023

Disclosed on

CVE-2023-20989

CVE

Yes i

Fix available

Moderate

Severity

Not published

CVSS Score

CVE-2023-20989: In btm_ble_write_adv_enable_complete of btm_ble_gap.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, < 13:2023-06-01 >= 13-next:0, < 13-next:2023-06-01

Fixed in 13-next:2023-06-01. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The Bluetooth package in the Android ecosystem is responsible for managing Bluetooth functionality on Android devices. It provides APIs and protocols for communication between devices over Bluetooth. This package is vulnerable to an out-of-bounds read issue in the btm_ble_write_adv_enable_complete function of the btm_ble_gap.cc file.

Vulnerability Detail

The btm_ble_write_adv_enable_complete function in the Bluetooth package of Android does not perform a proper bounds check, leading to an out-of-bounds read vulnerability. An attacker can exploit this vulnerability to disclose sensitive information from the device's memory. This vulnerability requires system execution privileges, but does not require user interaction.

How To Fix

Minimum fixed version

13-next:2023-06-01

This is the first release that contains the fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

There is no known workaround for this vulnerability.

Conclusion

The Bluetooth package in the Android ecosystem is vulnerable to an out-of-bounds read issue in the btm_ble_write_adv_enable_complete function. This vulnerability can be exploited to disclose sensitive information from the device's memory. It is recommended to update the Bluetooth package to version 13-next, released on June 1, 2023, to mitigate this vulnerability.

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