writeups.xyz / Layer 2 network security bypass using VLAN 0, LLC/SNAP headers and invalid length

Submitter : c2a

Date: 27 September 2022

Bounty : undisclosed

Vulnerabilities :

• Layer 2 Networking Vulnerability
• Ethernet
• MiTM
• DoS

Programs :

• Microsoft
• Cisco

Authors :

• Etienne Champetier / Champtar

Link :
https://blog.champtar.fr/VLAN0_LLC_SNAP/