Description (CNA)
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| IEEE / 802.2 | affected 802.2h-1997 through 802.2h-1997 |
| IETF / draft-ietf-v6ops-ra-guard | affected 08 through 08 |
| IETF / P802.1Q | affected D1.0 through D1.0 |
CWE
CWE-290
References
- https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/
- https://standards.ieee.org/ieee/802.2/1048/
- https://standards.ieee.org/ieee/802.1Q/10323/
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-VU855201-J3z8CKTX
- https://kb.cert.org/vuls/id/855201
- https://blog.champtar.fr/VLAN0_LLC_SNAP/
ADP enrichment
No English description supplied.
- https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/
- https://standards.ieee.org/ieee/802.2/1048/
- https://standards.ieee.org/ieee/802.1Q/10323/
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-VU855201-J3z8CKTX
- https://kb.cert.org/vuls/id/855201
- https://blog.champtar.fr/VLAN0_LLC_SNAP/
- https://www.kb.cert.org/vuls/id/855201
No English description supplied.
No references supplied.