Описание
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue.
A flaw was found in the HID Profile in BlueZ that opens doors for unauthorized connections, especially by devices like keyboards, to inject keystrokes without user confirmation. BlueZ lacks proper restrictions on non-bonded devices, creating a risk for attackers that are physically close to inject keystrokes and execute arbitrary commands when the device is in a discoverable state.
Отчет
BlueZ was found to inadequately limit non-bonded devices from injecting HID events into the input subsystem. This vulnerability could permit a nearby attacker (physically proximate) to inject keystrokes and carry out arbitrary commands when the device is in discoverable mode.
Меры по смягчению последствий
Put Bluetooth device in non-discoverable mode / disable incoming pairing. Or Disable Bluetooth. Instructions on disabling bluetooth in Red Hat Enterprise Linux are available at: https://access.redhat.com/solutions/2682931
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | bluez | Out of support scope | ||
| Red Hat Enterprise Linux 7 | bluez | Out of support scope | ||
| Red Hat Enterprise Linux 8 | bluez | Fixed | RHSA-2024:11154 | 17.12.2024 |
| Red Hat Enterprise Linux 8 | bluez | Fixed | RHSA-2024:11154 | 17.12.2024 |
| Red Hat Enterprise Linux 9 | bluez | Fixed | RHSA-2024:9413 | 12.11.2024 |
| Red Hat Enterprise Linux 9 | bluez | Fixed | RHSA-2024:9413 | 12.11.2024 |
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Дополнительная информация
Статус:
EPSS
6.3 Medium
CVSS3
Связанные уязвимости
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue.
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue.
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral ...
Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of HID messages when no user interaction has occurred in the Central role to authorize such access. An example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556 mitigation would have already addressed this Bluetooth HID Hosts issue.
EPSS
6.3 Medium
CVSS3