cvelist/2021/0xxx/CVE-2021-0236.json
2021-04-22 20:00:45 +00:00

179 lines
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JSON

{
"CVE_data_meta": {
"ASSIGNER": "sirt@juniper.net",
"DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
"ID": "CVE-2021-0236",
"STATE": "PUBLIC",
"TITLE": "Junos OS: A specific BGP VPNv6 flowspec message causes routing protocol daemon (rpd) process to crash with a core."
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"version_affected": "!<",
"version_value": "18.4R1"
},
{
"version_affected": "<",
"version_name": "18.4",
"version_value": "18.4R1-S8, 18.4R2-S7, 18.4R3-S7"
},
{
"version_affected": "<",
"version_name": "19.1",
"version_value": "19.1R2-S2, 19.1R3-S4"
},
{
"version_affected": "<",
"version_name": "19.2",
"version_value": "19.2R1-S6, 19.2R3-S2"
},
{
"version_affected": "<",
"version_name": "19.3",
"version_value": "19.3R3-S2"
},
{
"version_affected": "<",
"version_name": "19.4",
"version_value": "19.4R2-S4, 19.4R3-S1"
},
{
"version_affected": "<",
"version_name": "20.1",
"version_value": "20.1R2, 20.1R3, 20.1R3-EVO"
},
{
"version_affected": "<",
"version_name": "20.2",
"version_value": "20.2R2, 20.2R3, 20.2R3-EVO"
},
{
"version_affected": "<",
"version_name": "20.3",
"version_value": "20.3R1-S1, 20.3R2, 20.3R2-EVO"
}
]
}
},
{
"product_name": "Junos OS Evolved",
"version": {
"version_data": [
{
"version_affected": "!<",
"version_value": "18.4R1-EVO"
},
{
"version_affected": "<",
"version_name": "20.3-EVO",
"version_value": "20.3R2-EVO"
}
]
}
}
]
},
"vendor_name": "Juniper Networks"
}
]
}
},
"configuration": [
{
"lang": "eng",
"value": "The examples of the config stanza affected by this issue:\n [ protocols bgp group <group-name> family inet6-vpn flow ]"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects only Multiprotocol BGP (MP-BGP) VPNv6 FlowSpec deployments. This issue affects: Juniper Networks Junos OS: 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: All versions after 18.4R1-EVO prior to 20.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 18.4R1. Juniper Networks Junos OS Evolved versions prior to 18.4R1-EVO."
}
]
},
"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": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/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": [
{
"refsource": "MISC",
"url": "https://kb.juniper.net/JSA11131",
"name": "https://kb.juniper.net/JSA11131"
}
]
},
"solution": [
{
"lang": "eng",
"value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 18.4R1-S8, 18.4R2-S7, 18.4R3-S7, 19.1R2-S2, 19.1R3-S4, 19.2R1-S6, 19.2R3-S2, 19.3R3-S2, 19.4R2-S4, 19.4R3-S1, 20.1R2, 20.1R3, 20.2R2, 20.2R3, 20.3R1-S1, 20.3R2, 20.4R1 and all subsequent releases.\n\nJunos OS Evolved: 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases."
}
],
"source": {
"advisory": "JSA11131",
"defect": [
"1537085"
],
"discovery": "INTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "Do not configure \"family inet6-vpn flow\" under BGP if no inet6-vpn routes are required to be received.\n\n"
}
]
}