RHEL 8 : Red Hat Virtualization Host security update [ovirt-4.4.6] (Important) (RHSA-2021:2522)

high Nessus Plugin ID 150950

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2522 advisory.

- hw: vt-d related privilege escalation (CVE-2020-24489)

- glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219)

- kernel: userspace applications can misuse the KVM API to cause a write of 16 bytes at an offset up to 32 GB from vcpu->run (CVE-2021-3501)

- polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)

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

Solution

Update the affected redhat-virtualization-host-image-update package.

Plugin Details

Severity: High

ID: 150950

File Name: redhat-RHSA-2021-2522.nasl

Version: 1.14

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/22/2021

Updated: 12/12/2023

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-3560

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2020-24489

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/22/2021

Vulnerability Publication Date: 2/15/2021

CISA Known Exploited Vulnerability Due Dates: 6/2/2023

Exploitable With

Metasploit (Polkit D-Bus Authentication Bypass)

Reference Information

CVE: CVE-2020-24489, CVE-2021-27219, CVE-2021-3501, CVE-2021-3560

CWE: 190, 459, 787, 863

RHSA: 2021:2522

Detections

Analytics