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

high Nessus Plugin ID 135027
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Synopsis

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

Description

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.

Solution

Update the affected bluez and / or libbluetooth3 packages.

See Also

https://usn.ubuntu.com/4311-1/

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

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

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

CVSS v3

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