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

Medium Nessus Plugin ID 135027

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: Medium

ID: 135027

File Name: ubuntu_USN-4311-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/03/31

Updated: 2020/04/28

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2020-0556

CVSS v2.0

Base Score: 5.8

Temporal Score: 4.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: CVSS:3.0/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: 2020/03/30

Vulnerability Publication Date: 2017/06/09

Reference Information

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

USN: 4311-1