{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2023-36840",
"ASSIGNER": "sirt@juniper.net",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "A Reachable Assertion vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a locally-based, low-privileged attacker to cause a Denial of Service (DoS).\n\nOn all Junos OS and Junos OS Evolved, when a specific L2VPN command is run, RPD will crash and restart. Continued execution of this specific command will create a sustained Denial of Service (DoS) condition.\n\nThis issue affects:\nJuniper Networks Junos OS\nAll versions prior to 19.3R3-S10;\n20.1 versions prior to 20.1R3-S4;\n20.2 versions prior to 20.2R3-S6;\n20.3 versions prior to 20.3R3-S6;\n20.4 versions prior to 20.4R3-S5;\n21.1 versions prior to 21.1R3-S4;\n21.2 versions prior to 21.2R3-S3;\n21.3 versions prior to 21.3R3-S2;\n21.4 versions prior to 21.4R3;\n22.1 versions prior to 22.1R3;\n22.2 versions prior to 22.2R2;\n22.3 versions prior to 22.3R2;\n\nJuniper Networks Junos OS Evolved\nAll versions prior to 20.4R3-S7-EVO;\n21.1 versions prior to 21.1R3-S3-EVO;\n21.2 versions prior to 21.2R3-S5-EVO;\n21.3 versions prior to 21.3R3-S4-EVO;\n21.4 versions prior to 21.4R3-EVO;\n22.1 versions prior to 22.1R3-EVO;\n22.2 versions prior to 22.2R2-EVO;\n22.3 versions prior to 22.3R2-EVO;\n"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-617 Reachable Assertion",
"cweId": "CWE-617"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "Denial of Service (DoS)"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Juniper Networks",
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "unspecified",
"version_value": "19.3R3-S10"
},
{
"version_affected": "<",
"version_name": "20.1",
"version_value": "20.1R3-S4"
},
{
"version_affected": "<",
"version_name": "20.2",
"version_value": "20.2R3-S6"
},
{
"version_affected": "<",
"version_name": "20.3",
"version_value": "20.3R3-S6"
},
{
"version_affected": "<",
"version_name": "20.4",
"version_value": "20.4R3-S5"
},
{
"version_affected": "<",
"version_name": "21.1",
"version_value": "21.1R3-S4"
},
{
"version_affected": "<",
"version_name": "21.2",
"version_value": "21.2R3-S3"
},
{
"version_affected": "<",
"version_name": "21.3",
"version_value": "21.3R3-S2"
},
{
"version_affected": "<",
"version_name": "21.4",
"version_value": "21.4R3"
},
{
"version_affected": "<",
"version_name": "22.1",
"version_value": "22.1R3"
},
{
"version_affected": "<",
"version_name": "22.2",
"version_value": "22.2R2"
},
{
"version_affected": "<",
"version_name": "22.3",
"version_value": "22.3R2"
}
]
}
},
{
"product_name": "Junos OS Evolved",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "unspecified",
"version_value": "20.4R3-S7-EVO"
},
{
"version_affected": "<",
"version_name": "21.1",
"version_value": "21.1R3-S3-EVO"
},
{
"version_affected": "<",
"version_name": "21.2",
"version_value": "21.2R3-S5-EVO"
},
{
"version_affected": "<",
"version_name": "21.3",
"version_value": "21.3R3-S4-EVO"
},
{
"version_affected": "<",
"version_name": "21.4",
"version_value": "21.4R3-EVO"
},
{
"version_affected": "<",
"version_name": "22.1",
"version_value": "22.1R3-EVO"
},
{
"version_affected": "<",
"version_name": "22.2",
"version_value": "22.2R2-EVO"
},
{
"version_affected": "<",
"version_name": "22.3",
"version_value": "22.3R2-EVO"
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://supportportal.juniper.net/JSA71647",
"refsource": "MISC",
"name": "https://supportportal.juniper.net/JSA71647"
}
]
},
"generator": {
"engine": "Vulnogram 0.1.0-dev"
},
"source": {
"advisory": "JSA71647",
"defect": [
"1678401"
],
"discovery": "UNKNOWN"
},
"work_around": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "This issue can be avoided by using access lists or firewall filters to limit access to the device to only trusted hosts, networks and administrators.
"
}
],
"value": "This issue can be avoided by using access lists or firewall filters to limit access to the device to only trusted hosts, networks and administrators.\n"
}
],
"exploit": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
"
}
],
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n"
}
],
"solution": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The following software releases have been updated to resolve this specific issue:
Junos OS: 19.3R3-S7, 19.4R3-S10, 20.2R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R3, 22.1R3, 22.2R2, 22.3R2, 22.4R1, and all subsequent releases;
Junos OS Evolved: 20.4R3-S7-EVO, 21.4R3-EVO, 22.1R3-EVO, 22.2R2-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.
"
}
],
"value": "The following software releases have been updated to resolve this specific issue: \nJunos OS: 19.3R3-S7, 19.4R3-S10, 20.2R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R3, 22.1R3, 22.2R2, 22.3R2, 22.4R1, and all subsequent releases;\nJunos OS Evolved: 20.4R3-S7-EVO, 21.4R3-EVO, 22.1R3-EVO, 22.2R2-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.\n\n"
}
],
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
]
}
}