Ratelimiting can be bypassed using IPv6 subnets

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CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

DEBIAN-CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

UBUNTU-CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

PYSEC-2021-136

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

CVE-2021-20267

CVE-2021-20267 affects OpenStack Neutron when using the Open vSwitch driver. The flaw resides in Neutron’s default Open vSwitch firewall rules, allowing an attacker who controls a server instance connected to the virtual switch to impersonate other IPv6 addresses, potentially causing denial of se...

OpenStack 数据伪造问题漏洞

OpenStack is a cloud platform management program developed by the National Aeronautics and Space Administration NASA in collaboration with Rackspace in the United States. Openstack Neutron is vulnerable to a Data Forgery Issue vulnerability that stems from a flaw found in the default Open vSwitch...

GHSA-59QG-GRP7-5R73 Weave Net clusters susceptible to MitM attacks via IPv6 rogue router advertisements

Impact An attacker able to run a process as root in a container is able to respond to DNS requests from the host and thereby insert themselves as a fake service. In a cluster with an IPv4 internal network, if IPv6 is not totally disabled on the host via ipv6.disable=1 on the kernel cmdline, it wi...

Weave Net clusters susceptible to MitM attacks via IPv6 rogue router advertisements

Impact An attacker able to run a process as root in a container is able to respond to DNS requests from the host and thereby insert themselves as a fake service. In a cluster with an IPv4 internal network, if IPv6 is not totally disabled on the host via ipv6.disable=1 on the kernel cmdline, it wi...

Moderate: Red Hat Security Advisory: rh-ruby25-ruby security, bug fix, and enhancement update

An update for rh-ruby25-ruby is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

NetworkManager and libnma security, bug fix, and enhancement update

libnma 1.8.30-2 - Rebuild with new gtk-doc to fix multilib issues rh 1853152 NetworkManager 1.30.0-7.0.1 - add connectivity check via Oracle servers Orabug: 32051972 - Disable the build of NetworkManager-config-connectivity- subpackage for 8.3 1:1.30.0-7 - initrd: set multi-connect=single for...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.7.12 bug fix and security update

Red Hat OpenShift Container Platform release 4.7.12 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.7.12. Red Hat Product Security has rated this update as having a security impact of...

Cisco Adaptive Security Appliance Software IP Fragment Memory Leak (cisco-sa-asaftd-frag-memleak-mCtqdP9n)

According to its self-reported version, Cisco Adaptive Security Appliance Software is affected by a vulnerability in the IP fragment-handling implementation. This allows an unauthenticated, remote attacker to cause a memory leak on an affected device. This memory leak could prevent traffic from...

BSA-2021-1481

Security Advisory ID : BSA-2021-1481 Component : IPv6 networking Revision : 1.0 The OVA version of Brocade SANnav before version 2.1.1 installation with IPv6 networking exposes the docker container ports to the network, increasing the potential attack surface. When IPv6 networking is enabled on t...

BSA-2020-1037

Security Advisory ID : BSA-2020-1037 Component : Docker Engine Revision : 1.0 An issue was discovered in Docker Engine before 19.03.11. An attacker in a container, with the CAPNETRAW capability, can craft IPv6 router advertisements, and consequently spoof external IPv6 hosts, obtain sensitive...