RHEL 7 : qemu-kvm (RHSA-2020:1116)

medium Nessus Plugin ID 135036

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1116 advisory.

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es):

* QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)

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 7.8 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 affected packages.

See Also

http://www.nessus.org/u?1d7091b9

http://www.nessus.org/u?afba0e17

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:1116

https://bugzilla.redhat.com/show_bug.cgi?id=1270166

https://bugzilla.redhat.com/show_bug.cgi?id=1626871

https://bugzilla.redhat.com/show_bug.cgi?id=1760607

https://bugzilla.redhat.com/show_bug.cgi?id=1791551

Plugin Details

Severity: Medium

ID: 135036

File Name: redhat-RHSA-2020-1116.nasl

Version: 1.11

Type: local

Agent: unix

Published: 3/31/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-7039

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common

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: 3/31/2020

Vulnerability Publication Date: 1/16/2020

Reference Information

CVE: CVE-2020-7039

CWE: 122

RHSA: 2020:1116