Detections
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RHEL 8 : Red Hat OpenStack Platform 16.2 (openstack-neutron) (RHSA-2021:3488)
medium Nessus Plugin ID 165156
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Synopsis
The remote Red Hat host is missing a security update for Red Hat OpenStack Platform 16.2 (openstack-neutron).Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3488 advisory.Neutron is a virtual network service for OpenStack. Just like OpenStack Nova provides an API to dynamically request and configure virtual servers, Neutron provides an API to dynamically request and configure virtual networks. These networks connect interfaces from other OpenStack services (e.g., virtual NICs from Nova VMs). The Neutron API supports extensions to provide advanced network capabilities (e.g., QoS, ACLs, network, monitoring, etc.).
Security Fix(es):
* arbitrary dnsmasq reconfiguration via extra_dhcp_opts (CVE-2021-40085)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in 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 RHEL Red Hat OpenStack Platform 16.2 (openstack-neutron) package based on the guidance in RHSA-2021:3488.See Also
http://www.nessus.org/u?f3bdfdf4
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/errata/RHSA-2021:3488
https://bugzilla.redhat.com/show_bug.cgi?id=1916701
https://bugzilla.redhat.com/show_bug.cgi?id=1929829
https://bugzilla.redhat.com/show_bug.cgi?id=1938966
https://bugzilla.redhat.com/show_bug.cgi?id=1970051
Plugin Details
Severity: Medium
ID: 165156
File Name: redhat-RHSA-2021-3488.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/15/2022
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: Medium
Score: 4.4
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 4
Temporal Score: 3.1
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS Score Source: CVE-2021-40085
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:openstack-neutron, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-rpc-server, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-ml2, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-openvswitch, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-common, p-cpe:/a:redhat:enterprise_linux:python3-neutron, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-linuxbridge, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-metering-agent, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-sriov-nic-agent, p-cpe:/a:redhat:enterprise_linux:openstack-neutron-macvtap-agent, cpe:/o:redhat:enterprise_linux:8
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/15/2021
Vulnerability Publication Date: 8/31/2021
Reference Information
CVE: CVE-2021-40085