ovn: insufficient validation of BFD packets may lead to denial of service

A flaw was found in the Open Virtual Network OVN. In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service...

ovn: insufficient validation of BFD packets may lead to denial of service

A flaw was found in the Open Virtual Network OVN. In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service...

Ubuntu: Security Advisory (USN-6691-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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-CVE-2024-2182

A flaw was found in the Open Virtual Network OVN. In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service...

USN-6691-1: OVN vulnerability

It was discovered that OVN incorrectly enabled OVS Bidirectional Forwarding Detection on logical ports. A remote attacker could possibly use this issue to disrupt traffic...

CVE-2024-21587

An Improper Handling of Exceptional Conditions vulnerability in the broadband edge subscriber management daemon bbe-smgd of Juniper Networks Junos OS on MX Series allows an attacker directly connected to the vulnerable system who repeatedly flaps DHCP subscriber sessions to cause a slow memory...

Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection DoS (cisco-sa-bfd-XmRescbT)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

Vulnerabilities fixed in Cisco IOS XR

Cisco has fixed vulnerabilities in IOS XR, as used in ASR series 9000 routers. An unauthenticated remote malicious person could remote can exploit the vulnerability with attribute CVE-2023-20049 to cause a denial-of-service DoS by sending rogue BFD packets. BFD is Bidirectional Forwarding...

CVE-2023-20049

A vulnerability in the bidirectional forwarding detection BFD hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote...

Cisco ASR 9000 Series 缓冲区错误漏洞

Cisco IOS and others are products of Cisco, Inc.Cisco IOS is a set of operating systems developed for its network devices.Cisco ASR 900 is a 900 Series Aggregation Services Router.Cisco ASR 9000 is a 9000 Series Aggregation Services Router. A security vulnerability exists in the Cisco ASR 9000...

CVE-2023-20049

A vulnerability in the bidirectional forwarding detection BFD hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote...

Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection DoS (cisco-sa-nxos-bfd-dos-wGQXrzxn)

According to its self-reported version, Cisco NX-OS Software for Cisco Nexus 9000 Series Switches is affected by a denial of service vulnerability. The vulnerability exists in the rate limiter for Bidirectional Forwarding Detection BFD traffic of Cisco NX-OS Software for Cisco Nexus 9000 Series...

The vulnerability of the Bidirectional Forwarding Detection (BFD) protocol implementation in Cisco NX-OS router operating systems allows a attacker to cause a service failure.

The vulnerability of the Bidirectional Forwarding Detection BFD protocol implemented in Cisco NX-OS router operating systems is related to deficiencies in rate limiting. Exploiting this vulnerability could allow a malicious actor to cause service interruptions by sending unlimited traffic...

Bug fixes in Cisco NX-OS

Cisco has fixed several vulnerabilities in NX-OS for various platforms. A malicious party could exploit the vulnerabilities to cause a denial-of-service or, in specific configurations, execute arbitrary code with root privileges. No prior authentication is necessary. The vulnerable services, Cisc...

CVE-2022-20623 Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability

A vulnerability in the rate limiter for Bidirectional Forwarding Detection BFD traffic of Cisco NX-OS Software for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause BFD traffic to be dropped on an affected device. This vulnerability is due to a logic error ...

CVE-2022-20623

A vulnerability in the rate limiter for Bidirectional Forwarding Detection BFD traffic of Cisco NX-OS Software for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause BFD traffic to be dropped on an affected device. This vulnerability is due to a logic error ...

Arista Networks Arista EOS 安全漏洞

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, U.S. A security vulnerability exists in Arista Networks Arista EOS and clouddeos, which could be exploited by an attacker to obtain passwords for use in Bidirectional...

CVE-2021-28496

On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection BFD will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the devic...

The vulnerability of Cisco IOS XE and Cisco IOS network devices from the Cisco Catalyst 4500 series and Cisco Catalyst 4500-X series lies in their lack of exception handling capabilities. This allows attackers to trigger a system reboot, cause an unexpected termination of an application, or induce a service failure.

The vulnerability of Cisco IOS and Cisco IOS XE software for Cisco Catalyst 4500 and Cisco Catalyst 4500-X network devices is related to exception handling flaws. Exploiting this vulnerability can allow an attacker to trigger a device reboot, a failed termination of the application, or a service...

Cisco Catalyst 4500 Series and 4500-X Series Switches Denial of Service Vulnerability

The Cisco Catalyst 4500 Supervisor Engine 6-E and others are switch products from Cisco. the IOS and IOS XE Software are operating systems developed for Cisco network devices that run on them. A denial of service vulnerability exists in the Bidirectional Forwarding Detection BFD offload...