RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2021:1762)

medium Nessus Plugin ID 149669

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1762 advisory.

- QEMU: heap buffer overflow in iscsi_aio_ioctl_cb() in block/iscsi.c may lead to information disclosure (CVE-2020-11947)

- QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092)

- libvirt: double free in qemuAgentGetInterfaces() in qemu_agent.c (CVE-2020-25637)

- QEMU: infinite loop in e1000e_write_packet_to_guest() in hw/net/e1000e_core.c (CVE-2020-25707)

- QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c (CVE-2020-25723)

- QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.c (CVE-2020-27821)

- QEMU: e1000e: infinite loop scenario in case of null packet descriptor (CVE-2020-28916)

- CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets (CVE-2020-29129)

- CVE-2020-29129 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets (CVE-2020-29130)

- QEMU: ide: atapi: OOB access while processing read commands (CVE-2020-29443)

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://cwe.mitre.org/data/definitions/122.html

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/131.html

https://cwe.mitre.org/data/definitions/415.html

https://cwe.mitre.org/data/definitions/617.html

https://cwe.mitre.org/data/definitions/787.html

https://cwe.mitre.org/data/definitions/835.html

https://access.redhat.com/security/cve/CVE-2020-11947

https://access.redhat.com/security/cve/CVE-2020-16092

https://access.redhat.com/security/cve/CVE-2020-25637

https://access.redhat.com/security/cve/CVE-2020-25707

https://access.redhat.com/security/cve/CVE-2020-25723

https://access.redhat.com/security/cve/CVE-2020-27821

https://access.redhat.com/security/cve/CVE-2020-28916

https://access.redhat.com/security/cve/CVE-2020-29129

https://access.redhat.com/security/cve/CVE-2020-29130

https://access.redhat.com/security/cve/CVE-2020-29443

https://access.redhat.com/errata/RHSA-2021:1762

https://bugzilla.redhat.com/1860283

https://bugzilla.redhat.com/1881037

https://bugzilla.redhat.com/1893895

https://bugzilla.redhat.com/1898579

https://bugzilla.redhat.com/1902231

https://bugzilla.redhat.com/1902651

https://bugzilla.redhat.com/1903064

https://bugzilla.redhat.com/1912765

https://bugzilla.redhat.com/1917446

Plugin Details

Severity: Medium

ID: 149669

File Name: redhat-RHSA-2021-1762.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/19/2021

Updated: 10/7/2021

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

Risk Information

CVSS Score Source: CVE-2020-25637

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:SLOF, p-cpe:/a:redhat:enterprise_linux:hivex, p-cpe:/a:redhat:enterprise_linux:hivex-devel, p-cpe:/a:redhat:enterprise_linux:libguestfs, p-cpe:/a:redhat:enterprise_linux:libguestfs-bash-completion, p-cpe:/a:redhat:enterprise_linux:libguestfs-benchmarking, p-cpe:/a:redhat:enterprise_linux:libguestfs-devel, p-cpe:/a:redhat:enterprise_linux:libguestfs-gfs2, p-cpe:/a:redhat:enterprise_linux:libguestfs-gobject, p-cpe:/a:redhat:enterprise_linux:libguestfs-gobject-devel, p-cpe:/a:redhat:enterprise_linux:libguestfs-inspect-icons, p-cpe:/a:redhat:enterprise_linux:libguestfs-java, p-cpe:/a:redhat:enterprise_linux:libguestfs-java-devel, p-cpe:/a:redhat:enterprise_linux:libguestfs-javadoc, p-cpe:/a:redhat:enterprise_linux:libguestfs-man-pages-ja, p-cpe:/a:redhat:enterprise_linux:libguestfs-man-pages-uk, p-cpe:/a:redhat:enterprise_linux:libguestfs-rescue, p-cpe:/a:redhat:enterprise_linux:libguestfs-rsync, p-cpe:/a:redhat:enterprise_linux:libguestfs-tools, p-cpe:/a:redhat:enterprise_linux:libguestfs-tools-c, p-cpe:/a:redhat:enterprise_linux:libguestfs-winsupport, p-cpe:/a:redhat:enterprise_linux:libguestfs-xfs, p-cpe:/a:redhat:enterprise_linux:libiscsi, p-cpe:/a:redhat:enterprise_linux:libiscsi-devel, p-cpe:/a:redhat:enterprise_linux:libiscsi-utils, p-cpe:/a:redhat:enterprise_linux:libnbd, p-cpe:/a:redhat:enterprise_linux:libnbd-devel, p-cpe:/a:redhat:enterprise_linux:libvirt, p-cpe:/a:redhat:enterprise_linux:libvirt-admin, p-cpe:/a:redhat:enterprise_linux:libvirt-bash-completion, p-cpe:/a:redhat:enterprise_linux:libvirt-client, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-network, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-interface, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-network, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-qemu, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-secret, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi-direct, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-kvm, p-cpe:/a:redhat:enterprise_linux:libvirt-dbus, p-cpe:/a:redhat:enterprise_linux:libvirt-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-docs, p-cpe:/a:redhat:enterprise_linux:libvirt-libs, p-cpe:/a:redhat:enterprise_linux:libvirt-lock-sanlock, p-cpe:/a:redhat:enterprise_linux:libvirt-nss, p-cpe:/a:redhat:enterprise_linux:lua-guestfs, p-cpe:/a:redhat:enterprise_linux:nbdfuse, p-cpe:/a:redhat:enterprise_linux:nbdkit, p-cpe:/a:redhat:enterprise_linux:nbdkit-bash-completion, p-cpe:/a:redhat:enterprise_linux:nbdkit-basic-filters, p-cpe:/a:redhat:enterprise_linux:nbdkit-basic-plugins, p-cpe:/a:redhat:enterprise_linux:nbdkit-curl-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-devel, p-cpe:/a:redhat:enterprise_linux:nbdkit-example-plugins, p-cpe:/a:redhat:enterprise_linux:nbdkit-gzip-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-linuxdisk-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-python-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-server, p-cpe:/a:redhat:enterprise_linux:nbdkit-ssh-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-vddk-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-xz-filter, p-cpe:/a:redhat:enterprise_linux:netcf, p-cpe:/a:redhat:enterprise_linux:netcf-devel, p-cpe:/a:redhat:enterprise_linux:netcf-libs, p-cpe:/a:redhat:enterprise_linux:ocaml-hivex, p-cpe:/a:redhat:enterprise_linux:ocaml-hivex-devel, p-cpe:/a:redhat:enterprise_linux:ocaml-libguestfs, p-cpe:/a:redhat:enterprise_linux:ocaml-libguestfs-devel, p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd, p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd-devel, p-cpe:/a:redhat:enterprise_linux:perl-Sys-Guestfs, p-cpe:/a:redhat:enterprise_linux:perl-Sys-Virt, p-cpe:/a:redhat:enterprise_linux:perl-hivex, p-cpe:/a:redhat:enterprise_linux:python3-hivex, p-cpe:/a:redhat:enterprise_linux:python3-libguestfs, p-cpe:/a:redhat:enterprise_linux:python3-libnbd, p-cpe:/a:redhat:enterprise_linux:python3-libvirt, p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-curl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-gluster, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-iscsi, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-ssh, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tests, p-cpe:/a:redhat:enterprise_linux:ruby-hivex, p-cpe:/a:redhat:enterprise_linux:ruby-libguestfs, p-cpe:/a:redhat:enterprise_linux:seabios, p-cpe:/a:redhat:enterprise_linux:seabios-bin, p-cpe:/a:redhat:enterprise_linux:seavgabios-bin, p-cpe:/a:redhat:enterprise_linux:sgabios, p-cpe:/a:redhat:enterprise_linux:sgabios-bin, p-cpe:/a:redhat:enterprise_linux:supermin, p-cpe:/a:redhat:enterprise_linux:supermin-devel, p-cpe:/a:redhat:enterprise_linux:virt-dib, p-cpe:/a:redhat:enterprise_linux:virt-v2v

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: 5/18/2021

Vulnerability Publication Date: 7/23/2020

Reference Information

CVE: CVE-2020-11947, CVE-2020-16092, CVE-2020-25637, CVE-2020-25707, CVE-2020-25723, CVE-2020-27821, CVE-2020-28916, CVE-2020-29129, CVE-2020-29130, CVE-2020-29443

RHSA: 2021:1762

IAVB: 2020-B-0041-S, 2020-B-0075

CWE: 122, 125, 131, 415, 617, 787, 835