CVE-2021-1228

CVE-2021-1228 affects Cisco Nexus 9000 Series Fabric Switches in ACI Mode . The issue arises in the LLDP setup phase of the infrastructure VLAN due to insufficient security requirements, enabling an unauthenticated, adjacent attacker to send a crafted LLDP packet and connect an unauthorised serve...

CVE-2021-1228

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

PT-2021-2178 · Cisco · Cisco Application Policy Infrastructure Controller +1

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode affected versions not specified Description: A vulnerability in the fabric infrastructure VLAN connection establishment could allow an unauthenticated,...

WireBug - A Toolset For Voice-over-IP Penetration Testing

WireBug is a tool set for Voice-over-IP penetration testing. It is designed as a wizard which makes it easy to use. The tools are build for single using too, so every tool is its own python or bash program. Installation Install the dependencies in requirements.txt and the python dependencies in...

nmstate bug fix and enhancement update

Nmstate is a library with an accompanying command line tool that manages host networking settings in a declarative manner. Bug Fixes and Enhancements: Only a default gw is supported per device BZ1910193 SR-IOV i40e After setting SR-IOV number of VFs, nmstate reports success before VFs links are...

Juniper Junos OS DoS (JSA11097)

An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain traffic to pass through the device upon receipt from an ingress interface filtering certain specific types of traffic which is then being...

CVE-2020-15898

In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic ex. UDP and not bidirectional traffic ex. TCP. This affects: EOS 7170 platforms version 4.21.4.1F and below releas...

CVE-2020-15898

CVE-2020-15898 affects Arista EOS: malformed packets can be forwarded across VLAN boundaries in one direction, exploitable by unidirectional traffic (e.g., UDP). Affected: EOS X-Series and 7170 platforms with specific 4.21.x–4.24.x trains (see advisory 56). Impact is VLAN-crossing DoS-like behavi...

CVE-2020-15898

In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic ex. UDP and not bidirectional traffic ex. TCP. This affects: EOS 7170 platforms version 4.21.4.1F and below releas...

CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

Arista EOS Security Breach

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, Inc. Arista EOS builds cloud architectures that scale to hundreds of thousands of compute and storage nodes with management and provisioning capabilities for large-scale jobs...

Arista EOS Security Breach

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, Inc. Arista EOS builds cloud architectures that scale to hundreds of thousands of compute and storage nodes with management and provisioning capabilities for large-scale jobs...

Security Advisory 0056

Security Advisory 0056 PDF Date: December 16th, 2020 Version: 1.0 Revision | Date | Changes ---|---|--- 1.0 | December 16th, 2020 | Initial Release The CVE-ID tracking this issue: CVE-2020-15898 CVSSv3 Base Score: 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Description This advisory document...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 vulnerability from the...

Design/Logic Flaw

When configuring stateless firewall filters in Juniper Networks EX4600 and QFX 5000 Series devices using Virtual Extensible LAN protocol VXLAN, the discard action will fail to discard traffic under certain conditions. Given a firewall filter configuration similar to: family ethernet-switching...

NetworkManager security and bug fix update

1:1.18.8-1 - Update to 1.18.8 relase - ifcfg-rh: handle '802-1x.,phase2-ca-path' rh 1841397, CVE-2020-10754 - ifcfg-rh: handle 802-1x.pin properties. 1:1.18.6-4 - ip-tunnel: set cloned-mac-address only for layer2 tunnel devices rh 1832170 1:1.18.6-3 - Update translations rh 1796852 1:1.18.6-2 -...

Speed 2 – The Poseidon Adventure – Part Two

This post is a companion to the DEF CON 28 video available here Part One is available here Issue 3: Time and Tide Wait for No VLAN As mentioned the cabin switch appeared to be the key to all our access requirements. From that we could get to the trunk network, and all those TV, VOIP, and Wi-Fi...