Описание
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2021-27861
- https://blog.champtar.fr/VLAN0_LLC_SNAP
- https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08
- https://kb.cert.org/vuls/id/855201
- https://standards.ieee.org/ieee/802.1Q/10323
- https://standards.ieee.org/ieee/802.2/1048
- https://www.kb.cert.org/vuls/id/855201
Связанные уязвимости
CVSS3: 5.3
redhat
больше 3 лет назад
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
CVSS3: 4.7
nvd
больше 3 лет назад
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
CVSS3: 4.7
debian
больше 3 лет назад
Layer 2 network filtering capabilities such as IPv6 RA guard can be by ...