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...

Design/Logic Flaw

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

Summary: CVE-2020-26569 affects Arista EOS in EVPN VXLAN with SVIs. Malformed EVPN VXLAN packets can cause incorrect MAC-to-IP bindings, resulting in traffic being discarded or forwarded across VLAN boundaries. Affected releases (EOS): 4.21.x ≤ 4.21.12M, 4.22.x ≤ 4.22.7M, 4.23.x ≤ 4.23.5M, 4.24.x...

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...

Security Advisory 0055

Security Advisory 0055 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-2020-26568 CVSSv3.1 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...

Security Advisory 0057

Security Advisory 0057 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-2020-26569 CVSSv3.1 Base Score: 5.9/10 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Description This advisory...

CVE-2020-1687

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffi...

CVE-2020-1687

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffi...

CVE-2020-1685

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...

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...

Design/Logic Flaw

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffi...

CVE-2020-1687 Junos OS: EX4300-MP/EX4600/QFX5K Series: High CPU load due to receipt of specific layer 2 frames in EVPN-VXLAN deployment.

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffi...

CVE-2020-1687

CVE-2020-1687 affects Junos OS on Juniper EX4300-MP, EX4600 and QFX5K series used as EVPN-VXLAN L2/L3 gateways. The issue occurs when receiving a stream of specific VXLAN-encapsulated L2 frames within the same EVPN-VXLAN domain, causing high CPU load and potentially impacting network protocol ope...

CVE-2020-1685 Junos OS: EX4600, QFX5K Series: Stateless firewall filter matching 'user-vlan-id' will cause incomplete discard action

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...

CVE-2020-1685

CVE-2020-1685 affects Juniper Networks Junos OS on EX4600 and QFX5K (VXLAN) where stateless firewall filters with a single user-vlan-id match can cause the discard action to only drop traffic with that VLAN ID, allowing other VLANs through. Affected QFX5K/Junos versions are listed in the CVE entr...

CVE-2020-1749

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data...

DEBIAN-CVE-2020-1749

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data...

Code injection

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data...

CVE-2020-1749

CVE-2020-1749 describes a flaw in the Linux kernel’s IPsec networking implementation (notably VXLAN and GENEVE tunnels over IPv6). When an encrypted tunnel is established between two hosts, tunneled data may be misrouted over the encrypted link, causing data to be sent unencrypted and potentially...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1379)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-14386: Fixed an overflow in tpacketrcv in afpacket that could lead to a local privilege escalation bsc1176069. The following non-security bugs were fixed : -...