cvelist/2021/27xxx/CVE-2021-27862.json
2022-10-12 13:00:31 +00:00

117 lines
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JSON

{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ID": "CVE-2021-27862",
"ASSIGNER": "cert@cert.org",
"DATE_PUBLIC": "2022-09-27T01:00:00.000Z",
"TITLE": "L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi frame translation",
"STATE": "PUBLIC"
},
"source": {
"discovery": "EXTERNAL"
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "IEEE",
"product": {
"product_data": [
{
"product_name": "802.2",
"version": {
"version_data": [
{
"version_name": "802.2h-1997",
"version_affected": "<=",
"version_value": "802.2h-1997"
}
]
}
}
]
}
},
{
"vendor_name": "IETF",
"product": {
"product_data": [
{
"product_name": "draft-ietf-v6ops-ra-guard-08",
"version": {
"version_data": [
{
"version_name": "08",
"version_affected": "<=",
"version_value": "08"
}
]
}
}
]
}
}
]
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-130 Improper Handling of Length Parameter"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-290: Authentication Bypass by Spoofing"
}
]
}
]
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "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)."
}
]
},
"references": {
"reference_data": [
{
"refsource": "MISC",
"url": "https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/",
"name": "https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/"
},
{
"refsource": "MISC",
"url": "https://standards.ieee.org/ieee/802.2/1048/",
"name": "https://standards.ieee.org/ieee/802.2/1048/"
},
{
"refsource": "MISC",
"name": "https://kb.cert.org/vuls/id/855201",
"url": "https://kb.cert.org/vuls/id/855201"
},
{
"refsource": "MISC",
"name": "https://blog.champtar.fr/VLAN0_LLC_SNAP/",
"url": "https://blog.champtar.fr/VLAN0_LLC_SNAP/"
}
]
},
"credit": [
{
"lang": "eng",
"value": "Etienne Champetier (@champtar) <champetier.etienne@gmail.com> "
}
]
}