CVE-2021-3658 Information

Description

bluetoothd from bluez incorrectly saves adapters’ Discoverable status when a device is powered down and restores it when powered up. If a device is powered down while discoverable it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89 https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=b497b5942a8beb8f89ca1c359c54ad67ec843055 https://bugzilla.redhat.com/show_bug.cgi?id=1984728 https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055 https://security.netapp.com/advisory/ntap-20220407-0002/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5