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AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2020:4676)

high Nessus Plugin ID 157535

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2020:4676 advisory.

 * libvirt: leak of /dev/mapper/control into QEMU guests (CVE-2020-14339)

 * QEMU: Slirp: use-after-free during packet reassembly (CVE-2019-15890)

 * libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent (CVE-2019-20485)

 * QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)

 * libvirt: Potential denial of service via active pool without target path (CVE-2020-10703)

 * libvirt: leak of sensitive cookie information via dumpxml (CVE-2020-14301)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

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 packages.

See Also

https://errata.almalinux.org/8/ALSA-2020-4676.html

Plugin Details

Severity: High

ID: 157535

File Name: alma_linux_ALSA-2020-4676.nasl

Version: 1.5

Type: local

Published: 2/9/2022

Updated: 1/13/2025

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-14339

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:libvirt-daemon-driver-secret, p-cpe:/a:alma:linux:netcf-devel, p-cpe:/a:alma:linux:nbdkit-basic-plugins, p-cpe:/a:alma:linux:nbdkit-gzip-plugin, p-cpe:/a:alma:linux:perl-sys-virt, p-cpe:/a:alma:linux:nbdkit-curl-plugin, p-cpe:/a:alma:linux:seabios, p-cpe:/a:alma:linux:nbdkit, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-rbd, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:libvirt-nss, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:alma:linux:libiscsi-devel, p-cpe:/a:alma:linux:libvirt-libs, p-cpe:/a:alma:linux:hivex, p-cpe:/a:alma:linux:nbdkit-ssh-plugin, p-cpe:/a:alma:linux:nbdkit-xz-filter, p-cpe:/a:alma:linux:hivex-devel, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-core, p-cpe:/a:alma:linux:nbdkit-linuxdisk-plugin, p-cpe:/a:alma:linux:ocaml-hivex-devel, p-cpe:/a:alma:linux:libguestfs-winsupport, p-cpe:/a:alma:linux:libvirt-daemon, p-cpe:/a:alma:linux:nbdkit-server, p-cpe:/a:alma:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:alma:linux:python3-libnbd, p-cpe:/a:alma:linux:perl-hivex, p-cpe:/a:alma:linux:libvirt-bash-completion, p-cpe:/a:alma:linux:supermin-devel, p-cpe:/a:alma:linux:python3-hivex, p-cpe:/a:alma:linux:ocaml-libnbd-devel, p-cpe:/a:alma:linux:sgabios, p-cpe:/a:alma:linux:ruby-hivex, p-cpe:/a:alma:linux:libvirt-daemon-driver-network, p-cpe:/a:alma:linux:ocaml-hivex, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:alma:linux:supermin, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:alma:linux:libiscsi-utils, p-cpe:/a:alma:linux:nbdkit-bash-completion, p-cpe:/a:alma:linux:nbdkit-example-plugins, p-cpe:/a:alma:linux:libvirt-daemon-driver-interface, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-iscsi-direct, p-cpe:/a:alma:linux:nbdkit-python-plugin, p-cpe:/a:alma:linux:libvirt, p-cpe:/a:alma:linux:nbdkit-vddk-plugin, p-cpe:/a:alma:linux:ocaml-libnbd, p-cpe:/a:alma:linux:libvirt-docs, p-cpe:/a:alma:linux:nbdkit-basic-filters, p-cpe:/a:alma:linux:seavgabios-bin, p-cpe:/a:alma:linux:sgabios-bin, p-cpe:/a:alma:linux:libnbd-devel, p-cpe:/a:alma:linux:nbdfuse, p-cpe:/a:alma:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:alma:linux:libvirt-daemon-config-network, p-cpe:/a:alma:linux:netcf, p-cpe:/a:alma:linux:netcf-libs, p-cpe:/a:alma:linux:python3-libvirt, p-cpe:/a:alma:linux:libvirt-dbus, p-cpe:/a:alma:linux:seabios-bin, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:alma:linux:libvirt-client, p-cpe:/a:alma:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:alma:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:alma:linux:libvirt-devel, p-cpe:/a:alma:linux:libvirt-admin, p-cpe:/a:alma:linux:ocaml-libguestfs, p-cpe:/a:alma:linux:libiscsi, p-cpe:/a:alma:linux:nbdkit-devel, p-cpe:/a:alma:linux:ocaml-libguestfs-devel, p-cpe:/a:alma:linux:libnbd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2020

Vulnerability Publication Date: 9/6/2019

Reference Information

CVE: CVE-2019-15890, CVE-2019-20485, CVE-2020-10703, CVE-2020-14301, CVE-2020-14339, CVE-2020-1983