描述
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).
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受影响产品
ieeeieee_802.2
ietfp802.1q
参考资料
- https://blog.champtar.fr/VLAN0_LLC_SNAP/
- https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/Vendor Advisory
- https://kb.cert.org/vuls/id/855201
- https://standards.ieee.org/ieee/802.2/1048/Vendor Advisory
- https://blog.champtar.fr/VLAN0_LLC_SNAP/
- https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/Vendor Advisory
- https://kb.cert.org/vuls/id/855201
- https://standards.ieee.org/ieee/802.2/1048/Vendor Advisory
- https://www.kb.cert.org/vuls/id/855201