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CVE-2021-40085

Status Candidate

Overview

An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.

Related Files

Debian Security Advisory 4983-1
Posted Oct 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4983-1 - Pavel Toporkov discovered a vulnerability in Neutron, the OpenStack virtual network service, which allowed a reconfiguration of dnsmasq via crafted dhcp_extra_opts parameters.

tags | advisory
systems | linux, debian
advisories | CVE-2021-40085
SHA-256 | ae710f0c5eab343d5d187ff386bcfbb45872e736dea1d7e2fdeed1e91997000b
Red Hat Security Advisory 2021-3488-01
Posted Sep 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3488-01 - 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. The Neutron API supports extensions to provide advanced network capabilities.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-40085
SHA-256 | 2d5d24721728b8d31b9a5cde4de4186a4a7e8431901691c9e32ca865dbe4227d
Red Hat Security Advisory 2021-3502-01
Posted Sep 13, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3502-01 - 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. The Neutron API supports extensions to provide advanced network capabilities.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-40085
SHA-256 | 2ca62346cc992bcd195fdae20db85256e39f24390d3e1abaf27159a8f5e949d0
Red Hat Security Advisory 2021-3503-01
Posted Sep 13, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3503-01 - 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. The Neutron API supports extensions to provide advanced network capabilities.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-40085
SHA-256 | d2ddadd2b75be435f80f94aaa374f8b76420387613e7b834272cdb504a5ef7bf
Red Hat Security Advisory 2021-3481-01
Posted Sep 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3481-01 - Neutron is a virtual network service for Openstack, and a part of Netstack. 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. The Neutron API supports extensions to provide advanced network capabilities.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-40085
SHA-256 | da47cdc793dd683b7678fcde7dcec87f4e5078f46b13aba9c810d2140a8fb93a
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