RHEL 8 : Red Hat Virtualization (RHSA-2020:4172)

high Nessus Plugin ID 141175
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.

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4172 advisory.

- grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process (CVE-2020-10713)

- QEMU: usb: out-of-bounds r/w access issue while processing usb packets (CVE-2020-14364)

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 affected redhat-release-virtualization-host, redhat-virtualization-host-image-update and / or redhat- virtualization-host-image-update-placeholder packages.

See Also

https://cwe.mitre.org/data/definitions/78.html

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/787.html

https://access.redhat.com/security/cve/CVE-2020-10713

https://access.redhat.com/security/cve/CVE-2020-14364

https://access.redhat.com/errata/RHSA-2020:4172

https://bugzilla.redhat.com/1825243

https://bugzilla.redhat.com/1869201

Plugin Details

Severity: High

ID: 141175

File Name: redhat-RHSA-2020-4172.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/5/2020

Updated: 7/21/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-10713

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: AV:L/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: 8.2

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:redhat-release-virtualization-host, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update-placeholder

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: 10/5/2020

Vulnerability Publication Date: 7/29/2020

Reference Information

CVE: CVE-2020-10713, CVE-2020-14364

RHSA: 2020:4172

IAVA: 2020-A-0349

IAVB: 2020-B-0063-S

CWE: 78, 125, 787