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