openstack-neutron: Routes middleware memory leak for nonexistent controllers

A resource-allocation flaw was found in openstack-neutron. An authenticated attacker could make API requests involving nonexistent controllers causing the API worker to consume increasing amounts of memory. This flaw could be exploited to force API performance degradation or denial of service...

Security Bulletin: Openstack Compute (Neutron) noVNC proxy

Summary Fix OpenStack Neutron allowing a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the noVNC component. By modifying untrusted URL input using multiple backslashes, an attacker could exploit this vulnerability to redirect a victim to arbitrary websit...

Debian: Security Advisory (DLA-2781-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian DLA-2781-1 : neutron - LTS security update

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2781 advisory. - 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...

Debian DSA-4983-1 : neutron - security update

The remote Debian 10 / 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4983 advisory. Pavel Toporkov discovered a vulnerability in Neutron, the OpenStack virtual network service, which allowed a reconfiguration of dnsmasq via crafted...

openstack-neutron: arbitrary dnsmasq reconfiguration via extra_dhcp_opts

An input-validation flaw was found in openstack-neutron, where an authenticated attacker could change the dnsmasq configuration. By crafting extradhcpopts values, the attacker could crash the dnsmasq, change parameters for tenants sharing the same interface, or otherwise alter that daemon’s...

openstack-neutron: arbitrary dnsmasq reconfiguration via extra_dhcp_opts

An input-validation flaw was found in openstack-neutron, where an authenticated attacker could change the dnsmasq configuration. By crafting extradhcpopts values, the attacker could crash the dnsmasq, change parameters for tenants sharing the same interface, or otherwise alter that daemon’s...

openstack-neutron: arbitrary dnsmasq reconfiguration via extra_dhcp_opts

An input-validation flaw was found in openstack-neutron, where an authenticated attacker could change the dnsmasq configuration. By crafting extradhcpopts values, the attacker could crash the dnsmasq, change parameters for tenants sharing the same interface, or otherwise alter that daemon’s...

CVE-2021-40797

A resource-allocation flaw was found in openstack-neutron. An authenticated attacker could make API requests involving nonexistent controllers causing the API worker to consume increasing amounts of memory. This flaw could be exploited to force API performance degradation or denial of service...

openstack-neutron: arbitrary dnsmasq reconfiguration via extra_dhcp_opts

An input-validation flaw was found in openstack-neutron, where an authenticated attacker could change the dnsmasq configuration. By crafting extradhcpopts values, the attacker could crash the dnsmasq, change parameters for tenants sharing the same interface, or otherwise alter that daemon’s...

CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

DEBIAN-CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

PYSEC-2021-329

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

PYSEC-2021-329

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

Denial of service

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

UBUNTU-CVE-2021-40797

An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API...

CVE-2021-40797

CVE-2021-40797 affects OpenStack Neutron routes middleware. An authenticated user can trigger a memory leak by sending API requests that reference nonexistent controllers, causing the API worker to consume increasing memory and potentially degrade performance or cause denial of service. Affected ...

PT-2021-22954 · Openstack +3 · Openstack Neutron +3

Name of the Vulnerable Software and Affected Versions: OpenStack Neutron versions prior to 16.4.1 OpenStack Neutron versions 17.x prior to 17.2.1 OpenStack Neutron versions 18.x prior to 18.1.1 Description: An issue in the routes middleware allows an authenticated user to cause API performance...