CVE-2021-27854

概要

参考情報

• blog.champtar.fr/VLAN0_LLC_SNAP
• datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08 · Vendor Advisory
• kb.cert.org/vuls/id/855201
• standards.ieee.org/ieee/802.1Q/10323 · Vendor Advisory
• standards.ieee.org/ieee/802.2/1048 · Vendor Advisory
• kb.cert.org/vuls/id/855201

ieee 802.2 のその他の脆弱性

• CVE-2021-27862中 4.7Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi…
• CVE-2021-27861中 4.7Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN…
• CVE-2021-27853中 4.7Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/…