GSD-2022-22170
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
A Missing Release of Resource after Effective Lifetime 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 heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host> show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-22170",
"description": "A Missing Release of Resource after Effective Lifetime 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 heap memory to leak and on exhaustion the PFE to reset.\n\nThe heap memory utilization can be monitored with the command:\n\n user@host\u003e show chassis fpc\nThis issue affects:\nJuniper Networks Junos OS\n19.4 versions prior to 19.4R2-S6, 19.4R3-S6;\n20.1 versions prior to 20.1R3-S2;\n20.2 versions prior to 20.2R3-S3;\n20.3 versions prior to 20.3R3-S1;\n20.4 versions prior to 20.4R3;\n21.1 versions prior to 21.1R3;\n21.2 versions prior to 21.2R2.\n\nThis issue does not affect versions of Junos OS prior to 19.4R1. ",
"id": "GSD-2022-22170"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-22170"
],
"details": "A Missing Release of Resource after Effective Lifetime 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 heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host\u003e show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.",
"id": "GSD-2022-22170",
"modified": "2023-12-13T01:19:28.877428Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2022-01-12T17:00:00.000Z",
"ID": "CVE-2022-22170",
"STATE": "PUBLIC",
"TITLE": "Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset"
},
"affects": {
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"product": {
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{
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{
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{
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"vendor_name": "Juniper Networks"
}
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}
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"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": "A Missing Release of Resource after Effective Lifetime 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 heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host\u003e show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1."
}
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"exploit": [
{
"lang": "eng",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
}
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"generator": {
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"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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"value": "Denial of Service (DoS)"
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{
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{
"lang": "eng",
"value": "CWE-772 Missing Release of Resource after Effective Lifetime"
}
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}
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"name": "https://kb.juniper.net/JSA11277",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA11277"
}
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},
"solution": [
{
"lang": "eng",
"value": "The following Junos OS software releases have been updated to resolve this specific issue: 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases."
}
],
"source": {
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"defect": [
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"discovery": "USER"
},
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"lang": "eng",
"value": "There are no viable workarounds for this issue."
}
]
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"ID": "CVE-2022-22170"
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"data_type": "CVE",
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"description": {
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{
"lang": "en",
"value": "A Missing Release of Resource after Effective Lifetime 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 heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host\u003e show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1."
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"severity": "MEDIUM",
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},
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"baseScore": 7.5,
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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"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-01-26T18:17Z",
"publishedDate": "2022-01-19T01:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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