Ubuntu 16.04 LTS / 18.04 LTS / 19.10 : BlueZ vulnerabilities (USN-4311-1)

high Nessus Plugin ID 135027
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote Ubuntu host is missing one or more security-related patches.


It was discovered that BlueZ incorrectly handled bonding HID and HOGP devices. A local attacker could possibly use this issue to impersonate non-bonded devices. (CVE-2020-0556)

It was discovered that BlueZ incorrectly handled certain commands. 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 16.04 LTS. (CVE-2016-7837).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected bluez and / or libbluetooth3 packages.

See Also


Plugin Details

Severity: High

ID: 135027

File Name: ubuntu_USN-4311-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 3/31/2020

Updated: 9/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-0556


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:bluez, p-cpe:/a:canonical:ubuntu_linux:libbluetooth3, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:19.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/30/2020

Vulnerability Publication Date: 6/9/2017

Reference Information

CVE: CVE-2016-7837, CVE-2020-0556

USN: 4311-1