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Rocky Linux 8 : virt:rhel and virt-devel:rhel (RLSA-2021:0711)

high Nessus Plugin ID 185039

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:0711 advisory.

 - A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. (CVE-2020-35517)

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

https://errata.rockylinux.org/RLSA-2021:0711

https://bugzilla.redhat.com/show_bug.cgi?id=1915823

Plugin Details

Severity: High

ID: 185039

File Name: rocky_linux_RLSA-2021-0711.nasl

Version: 1.0

Type: local

Published: 11/7/2023

Updated: 11/7/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

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-2020-35517

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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:rocky:linux:hivex-debugsource, p-cpe:/a:rocky:linux:nbdkit-gzip-plugin-debuginfo, p-cpe:/a:rocky:linux:nbdkit-vddk-plugin, p-cpe:/a:rocky:linux:ruby-hivex, p-cpe:/a:rocky:linux:perl-hivex-debuginfo, p-cpe:/a:rocky:linux:libiscsi-devel, p-cpe:/a:rocky:linux:sgabios-bin, p-cpe:/a:rocky:linux:nbdkit-linuxdisk-plugin, p-cpe:/a:rocky:linux:seavgabios-bin, p-cpe:/a:rocky:linux:nbdkit-python-plugin-debuginfo, p-cpe:/a:rocky:linux:libnbd-debugsource, p-cpe:/a:rocky:linux:supermin-debuginfo, p-cpe:/a:rocky:linux:nbdkit-ssh-plugin, p-cpe:/a:rocky:linux:nbdkit-basic-filters-debuginfo, p-cpe:/a:rocky:linux:nbdkit-debuginfo, p-cpe:/a:rocky:linux:hivex, p-cpe:/a:rocky:linux:nbdkit-basic-plugins-debuginfo, p-cpe:/a:rocky:linux:seabios-bin, p-cpe:/a:rocky:linux:nbdkit-xz-filter-debuginfo, p-cpe:/a:rocky:linux:ruby-hivex-debuginfo, p-cpe:/a:rocky:linux:libiscsi, p-cpe:/a:rocky:linux:netcf, p-cpe:/a:rocky:linux:python3-hivex-debuginfo, p-cpe:/a:rocky:linux:supermin-debugsource, p-cpe:/a:rocky:linux:libvirt-dbus-debuginfo, p-cpe:/a:rocky:linux:nbdkit-python-plugin, p-cpe:/a:rocky:linux:nbdkit-server, p-cpe:/a:rocky:linux:ocaml-libnbd-debuginfo, p-cpe:/a:rocky:linux:nbdkit-xz-filter, p-cpe:/a:rocky:linux:libvirt-python-debugsource, p-cpe:/a:rocky:linux:seabios, p-cpe:/a:rocky:linux:nbdkit-example-plugins-debuginfo, p-cpe:/a:rocky:linux:perl-sys-virt-debuginfo, p-cpe:/a:rocky:linux:ocaml-hivex, p-cpe:/a:rocky:linux:nbdkit-bash-completion, p-cpe:/a:rocky:linux:nbdkit-basic-filters, p-cpe:/a:rocky:linux:netcf-libs, p-cpe:/a:rocky:linux:supermin, p-cpe:/a:rocky:linux:ocaml-hivex-devel, p-cpe:/a:rocky:linux:nbdkit-vddk-plugin-debuginfo, p-cpe:/a:rocky:linux:nbdfuse-debuginfo, p-cpe:/a:rocky:linux:nbdkit-server-debuginfo, p-cpe:/a:rocky:linux:libnbd-devel, p-cpe:/a:rocky:linux:nbdfuse, p-cpe:/a:rocky:linux:nbdkit-example-plugins, p-cpe:/a:rocky:linux:nbdkit-curl-plugin-debuginfo, p-cpe:/a:rocky:linux:nbdkit-devel, p-cpe:/a:rocky:linux:libvirt-dbus-debugsource, p-cpe:/a:rocky:linux:python3-hivex, p-cpe:/a:rocky:linux:python3-libvirt, p-cpe:/a:rocky:linux:nbdkit-debugsource, p-cpe:/a:rocky:linux:ocaml-hivex-debuginfo, p-cpe:/a:rocky:linux:netcf-devel, p-cpe:/a:rocky:linux:python3-libvirt-debuginfo, p-cpe:/a:rocky:linux:libguestfs-winsupport, p-cpe:/a:rocky:linux:ocaml-libnbd, p-cpe:/a:rocky:linux:libvirt-dbus, p-cpe:/a:rocky:linux:libnbd, p-cpe:/a:rocky:linux:python3-libnbd-debuginfo, p-cpe:/a:rocky:linux:sgabios, p-cpe:/a:rocky:linux:nbdkit-gzip-plugin, p-cpe:/a:rocky:linux:hivex-debuginfo, p-cpe:/a:rocky:linux:ocaml-libnbd-devel, p-cpe:/a:rocky:linux:netcf-libs-debuginfo, p-cpe:/a:rocky:linux:hivex-devel, p-cpe:/a:rocky:linux:supermin-devel, p-cpe:/a:rocky:linux:nbdkit, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:perl-hivex, p-cpe:/a:rocky:linux:perl-sys-virt-debugsource, p-cpe:/a:rocky:linux:python3-libnbd, p-cpe:/a:rocky:linux:libiscsi-debuginfo, p-cpe:/a:rocky:linux:libiscsi-debugsource, p-cpe:/a:rocky:linux:netcf-debugsource, p-cpe:/a:rocky:linux:nbdkit-basic-plugins, p-cpe:/a:rocky:linux:libnbd-debuginfo, p-cpe:/a:rocky:linux:libiscsi-utils, p-cpe:/a:rocky:linux:nbdkit-ssh-plugin-debuginfo, p-cpe:/a:rocky:linux:libiscsi-utils-debuginfo, p-cpe:/a:rocky:linux:perl-sys-virt, p-cpe:/a:rocky:linux:nbdkit-curl-plugin, p-cpe:/a:rocky:linux:nbdkit-linuxdisk-plugin-debuginfo, p-cpe:/a:rocky:linux:netcf-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/3/2021

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-35517

IAVB: 2020-B-0075-S