Ubuntu Security Notice USN-5183-1 – Torchsec
Ubuntu Security Notice USN-5183-1
December 08, 2021
bluez vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
BlueZ could be made to crash or run programs if it received specially
crafted traffic.
Software Description:
- bluez: Bluetooth tools and daemons
Details:
Julian Rauchberger discovered that BlueZ incorrectly handled memory when
processing SDP attribute requests. A remote attacker could use this issue
to cause BlueZ to crash, leading to a denial of service, or possibly
execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
bluez 5.48-0ubuntu3.7
libbluetooth3 5.48-0ubuntu3.7
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5183-1
CVE-2019-8922
Package Information:
https://launchpad.net/ubuntu/+source/bluez/5.48-0ubuntu3.7
Gloss