CVE-2020-1687: Uncontrolled Resource Consumption

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...

PT-2020-14895

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series and QFX5K Series versions 17.3 prior to 17.3R3-S9 Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series and QFX5K Series versions 17.4 prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S...

PT-2020-14893

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on QFX5K Series versions prior to 18.1R3-S7 Juniper Networks Junos OS on QFX5K Series versions prior to 18.2R2-S7 Juniper Networks Junos OS on QFX5K Series versions prior to 18.3R1-S5 Juniper Networks Junos OS on QFX5...

CVE-2020-1685: Observable Discrepancy

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-2020-1749

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...

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...

CVE-2020-1749: Cleartext Transmission of Sensitive Information

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...

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 : -...

Important: kernel-livepatch-4.14.177-139.253

Issue Overview: 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...

Important: kernel-livepatch-4.14.177-139.254

Issue Overview: 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...

CVE-2019-18948

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M a...

CVE-2019-18948

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M a...

Design/Logic Flaw

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M a...

CVE-2019-18948

Arista EOS contains a vulnerability in the VxLAN implementation where specific malformed ARP packets can crash the VxlanSwFwd agent. Affected EOS versions include 4.21.8M and below (4.21.x), 4.22.3M and below (4.22.x), 4.23.1F and below (4.23.x), and all releases in 4.15–4.20. The issue is trigge...

CVE-2019-18948

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M a...

CVE-2019-18948: Undefined Security Weakness

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M a...

Security Advisory 0047

Security Advisory 0047 PDF Date: April 14th, 2020 Version: 1.0 Revision | Date | Changes ---|---|--- 1.0 | April 14th, 2020 | Initial Release The CVE-ID tracking this issue: CVE-2019-18948 CVSSv3 Base Score: 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Description This security advisory documents the...