Detections
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RHEL 7 : qemu-kvm-ma (Unpatched Vulnerability)

medium Nessus Plugin ID 199674

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Synopsis

The remote Red Hat 7 host is affected by multiple vulnerabilities that will not be patched.

Description

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

 - QEMU: msix: OOB access during mmio operations may lead to DoS (CVE-2020-13754)

 - The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide- by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
 (CVE-2017-17381)

 - hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via values obtained from the host controller driver. (CVE-2020-25624)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

Solution

The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation guidance.

Plugin Details

Severity: Medium

ID: 199674

File Name: redhat_unpatched_qemu-kvm-ma-rhel7.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/3/2024

Updated: 7/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2020-13754

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 6

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma, cpe:/o:redhat:enterprise_linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 11/24/2017

Reference Information

CVE: CVE-2017-17381, CVE-2020-13754, CVE-2020-25624, CVE-2021-20221

IAVB: 2020-B-0063-S