USN-4989-1 fixed several vulnerabilities in BlueZ. This update provides the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that BlueZ incorrectly checked certain permissions when pairing. A local attacker could possibly use this issue to impersonate devices. (CVE-2020-26558)
Jay LV discovered that BlueZ incorrectly handled redundant disconnect MGMT events. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27153)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libbluetooth3": "5.37-0ubuntu5.3+esm1", "bluez-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-hcidump": "5.37-0ubuntu5.3+esm1", "bluez-hcidump-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-obexd-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-cups-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-dbg": "5.37-0ubuntu5.3+esm1", "libbluetooth-dev": "5.37-0ubuntu5.3+esm1", "bluetooth": "5.37-0ubuntu5.3+esm1", "libbluetooth3-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-tests-dbgsym": "5.37-0ubuntu5.3+esm1", "bluez-cups": "5.37-0ubuntu5.3+esm1", "bluez-tests": "5.37-0ubuntu5.3+esm1", "libbluetooth-dev-dbgsym": "5.37-0ubuntu5.3+esm1", "libbluetooth3-dbg": "5.37-0ubuntu5.3+esm1", "bluez": "5.37-0ubuntu5.3+esm1", "bluez-obexd": "5.37-0ubuntu5.3+esm1" } ] }