SB2022030234 - Information disclosure in BlueZ
Published: March 2, 2022 Updated: November 22, 2023
Security Bulletin ID
SB2022030234
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect authorization (CVE-ID: CVE-2021-3658)
The vulnerability allows an attacker to gain access to sensitive information.
The vulnerability exists due to bluetoothd incorrectly saves the adapters' discoverable status
when a device is powered down, and restores it when powered up. An attacker with physical proximity to device can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- 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/