RHEL 8 : bluez (RHSA-2021:4432)

medium Nessus Plugin ID 155106

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Synopsis

The remote Red Hat host is missing a security update for bluez.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4432 advisory.

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files.

Security Fix(es):

* bluez: Passkey Entry protocol of the Bluetooth Core is vulnerable to an impersonation attack (CVE-2020-26558)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL bluez package based on the guidance in RHSA-2021:4432.

Plugin Details

Severity: Medium

ID: 155106

File Name: redhat-RHSA-2021-4432.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2021

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-26558

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:bluez-libs, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:bluez-obexd, p-cpe:/a:redhat:enterprise_linux:bluez-libs-devel, p-cpe:/a:redhat:enterprise_linux:bluez, p-cpe:/a:redhat:enterprise_linux:bluez-hid2hci, p-cpe:/a:redhat:enterprise_linux:bluez-cups

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 5/24/2021

Reference Information

CVE: CVE-2020-26558

CWE: 287

RHSA: 2021:4432

Detections

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