GLSA-202003-49 : BlueZ: Security bypass

high Nessus Plugin ID 134924

Synopsis

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

Description

The remote host is affected by the vulnerability described in GLSA-202003-49 (BlueZ: Security bypass)

It was discovered that the HID and HOGP profiles implementations in BlueZ did not specifically require bonding between the device and the host.
Impact :

A remote attacker with adjacent access could impersonate an existing HID device, cause a Denial of Service condition or escalate privileges.
Workaround :

There is no known workaround at this time.

Solution

All BlueZ users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-wireless/bluez-5.54'

See Also

https://security.gentoo.org/glsa/202003-49

Plugin Details

Severity: High

ID: 134924

File Name: gentoo_GLSA-202003-49.nasl

Version: 1.3

Type: local

Published: 3/26/2020

Updated: 4/28/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-0556

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bluez, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2020

Vulnerability Publication Date: 3/12/2020

Reference Information

CVE: CVE-2020-0556

GLSA: 202003-49