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CVE-2021-27862 Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid…
Description
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).
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| 802.2 | 802.2h-1997 | Pas de correctif indiqué |
| draft-ietf-v6ops-ra-guard-08 | 08 | Pas de correctif indiqué |
Références
- datatracker.ietf.org datatracker.ietf.org
- standards.ieee.org standards.ieee.org
- kb.cert.org kb.cert.org
- blog.champtar.fr blog.champtar.fr
Chronologie
- Publiée
- Dernière modification
Autres CVE de 802.2
Les 4 CVE de 802.2 →
CVE-2021-27861
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid…
4.7
Moyenne
CVE-2021-27854
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers,…
4.7
Moyenne
CVE-2021-27853
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of…
4.7
Moyenne