BlueZ Classic HID Missing Authentication Remote Code Execution Vulnerability

December 10th, 2024
ZDI-24-1647 ZDI-CAN-25398

CVE ID

CVE-2024-8805

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

BlueZ

Affected Products

BlueZ

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of Classic HID connections. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of the current user.

Additional Details

https://patchwork.kernel.org/project/bluetooth/patch/20240912204458.3037144-1-luiz.dentz@gmail.com/ https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=370e38c32529e0899bb387a70d5d92dfb5a2b3c5


Disclosure Timeline

  • 2024-10-15 - Vulnerability reported to vendor
  • 2024-12-10 - Coordinated public release of advisory
  • 2024-12-10 - Advisory Updated

Credit

MICHAEL RANDRIANANTENAINA [https://elkamika.blogspot.com/]

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