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cvelist/2021/31xxx/CVE-2021-31351.json

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{
"CVE_data_meta": {
Juniper-2021-10-13 CVE publications
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"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2021-10-13T16:00:00.000Z",
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"ID": "CVE-2021-31351",
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"STATE": "PUBLIC",
"TITLE": "Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset"
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},
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"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"version_affected": "!<",
"version_value": "15.1"
},
{
"version_affected": "!<",
"version_name": "17.3",
"version_value": "17.3R3-S11"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_value": "17.3R3-S11"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "17.4",
"version_value": "17.4R2-S13"
},
{
"version_affected": "!>=",
"version_name": "17.4",
"version_value": "17.4R3"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_value": "18.1R3-S12"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "18.2",
"version_value": "18.2R2-S8, 18.2R3-S7"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_value": "18.3R3-S4"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "18.4",
"version_value": "18.4R1-S8, 18.4R2-S7"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "18.4",
"version_value": "18.4R3-S7"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "19.1",
"version_value": "19.1R3-S4, 19.1R3-S5"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "19.2",
"version_value": "19.2R1-S6"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "19.3",
"version_value": "19.3R3-S2"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "19.4",
"version_value": "19.4R2-S4"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "19.4",
"version_value": "19.4R3-S2"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "20.1",
"version_value": "20.1R2-S1"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "20.2",
"version_value": "20.2R2-S2"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "20.2",
"version_value": "20.2R3"
},
{
"platform": "MX Series",
"version_affected": ">=",
"version_name": "20.3",
"version_value": "20.3R1-S2"
},
{
"platform": "MX Series",
"version_affected": "=",
"version_name": "20.3",
"version_value": "20.3R2"
},
{
"platform": "MX Series",
"version_affected": "<",
"version_name": "20.4",
"version_value": "20.4R2-S1, 20.4R3"
},
{
"platform": "MX Series",
"version_affected": "<",
"version_name": "21.1",
"version_value": "21.1R1-S1, 21.1R2"
}
]
}
}
]
},
"vendor_name": "Juniper Networks"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
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"description": {
"description_data": [
{
"lang": "eng",
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"value": "An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects specific versions of Juniper Networks Junos OS on MX Series: 17.3R3-S11; 17.4R2-S13; 17.4R3 prior to 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19.4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; This issue does not affect any version of Juniper Networks Junos OS prior to 15.1X49-D240;"
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}
]
},
"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"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-754 Improper Check for Unusual or Exceptional Conditions"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "Denial of Service (DoS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA11216",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA11216"
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}
]
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},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S12, 17.4R3-S5, 18.1R3-S13, 18.3R3-S5, 18.4R3-S8, 19.1R3-S6, 19.2R1-S7, 19.2R3-S2, 19.3R2-S6, 19.3R3-S3, 19.4R3-S3, 20.1R2-S2, 20.1R3, 20.2R3-S1, 20.3R3, 20.4R2-S1, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases.\n\nNote: Only those releases listed in the PROBLEM section above are affected. This fix has also been proactively committed into other releases that are not vulnerable to this issue."
}
],
"source": {
"advisory": "JSA11216",
"defect": [
"1577814"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "eng",
"value": "There are no viable workarounds for this issue."
}
]
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}
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