gsd-2022-22171
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset. This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2. This issue does not affect versions of Junos OS prior to 19.4R1.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-22171",
"description": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset.\nThis issue affects:\nJuniper Networks Junos OS\n19.4 versions prior to 19.4R3-S7;\n20.1 versions prior to 20.1R3-S3;\n20.2 versions prior to 20.2R3-S3;\n20.3 versions prior to 20.3R3-S2;\n20.4 versions prior to 20.4R3-S1;\n21.1 versions prior to 21.1R3;\n21.2 versions prior to 21.2R2;\n21.3 versions prior to 21.3R1-S1, 21.3R2.\n\nThis issue does not affect versions of Junos OS prior to 19.4R1. ",
"id": "GSD-2022-22171"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-22171"
],
"details": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset. This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2. This issue does not affect versions of Junos OS prior to 19.4R1.",
"id": "GSD-2022-22171",
"modified": "2023-12-13T01:19:29.396631Z",
"schema_version": "1.4.0"
}
},
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"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2022-01-12T17:00:00.000Z",
"ID": "CVE-2022-22171",
"STATE": "PUBLIC",
"TITLE": "Junos OS: Specific packets over VXLAN cause FPC reset"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "19.4",
"version_value": "19.4R3-S7"
},
{
"version_affected": "\u003c",
"version_name": "20.1",
"version_value": "20.1R3-S3"
},
{
"version_affected": "\u003c",
"version_name": "20.2",
"version_value": "20.2R3-S3"
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{
"version_affected": "\u003c",
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{
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{
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{
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{
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"version_name": "21.3",
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{
"version_affected": "!\u003c",
"version_value": "19.4R1"
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}
}
]
},
"vendor_name": "Juniper Networks"
}
]
}
},
"configuration": [
{
"lang": "eng",
"value": "For this issue to be exploitable a configuration like the following will have to exist:\n\n [ routing-instances \u003cRI-name\u003e instance-type virtual-switch ]\n [ routing-instances \u003cRI-name\u003e bridge-domains \u003cBD-name\u003e vlan-id \u003cvlan#n\u003e ]\n [ routing-instances \u003cRI-name\u003e bridge-domains \u003cBD-name\u003e vxlan ... ]\n [ interfaces ae0 unit \u003cunit#\u003e vlan-id \u003cvlan#n\u003e ]\n [ interfaces ae0 unit \u003cunit#\u003e family inet(6) address ... ]"
}
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{
"lang": "eng",
"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset. This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2. This issue does not affect versions of Junos OS prior to 19.4R1."
}
]
},
"exploit": [
{
"lang": "eng",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
}
],
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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{
"lang": "eng",
"value": "Denial of Service (DoS)"
}
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{
"description": [
{
"lang": "eng",
"value": "CWE-754 Improper Check for Unusual or Exceptional Conditions"
}
]
}
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},
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"name": "https://kb.juniper.net/JSA11277",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA11277"
}
]
},
"solution": [
{
"lang": "eng",
"value": "The following Junos OS software releases have been updated to resolve this specific issue: 19.4R3-S7, 20.1R3-S3, 20.2R3-S3, 20.3R3-S2, 20.4R3-S1, 21.1R3, 21.2R2, 21.3R1-S1, 21.3R2, 21.4R1, and all subsequent releases."
}
],
"source": {
"advisory": "JSA11277",
"defect": [
"1625292"
],
"discovery": "INTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "There are no viable workarounds for this issue."
}
]
},
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"ID": "CVE-2022-22171"
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"description": {
"description_data": [
{
"lang": "en",
"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause the PFE to reset. This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R1-S1, 21.3R2. This issue does not affect versions of Junos OS prior to 19.4R1."
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"authentication": "NONE",
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-01-26T18:35Z",
"publishedDate": "2022-01-19T01:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.