{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-39547",
"ASSIGNER": "sirt@juniper.net",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "An\u00a0Improper Handling of Exceptional Conditions vulnerability in the rpd-server of Juniper Networks Junos OS and Junos OS Evolved within cRPD allows an unauthenticated network-based attacker sending crafted TCP traffic to the routing engine (RE) to cause a CPU-based Denial of Service (DoS).\n\nIf specially crafted TCP traffic is received by the control plane, or a TCP session terminates unexpectedly, it will cause increased control plane CPU utilization by the rpd-server process.\n\nWhile not explicitly required, the impact is more severe when RIB sharding is enabled.\n\nTask accounting shows unexpected reads by the RPD Server jobs for shards:\n\nuser@junos> show task accounting detail\n...\nread:RPD Server.0.0.0.0+780.192.168.0.78+48886 TOT:00000003.00379787 MAX:00000000.00080516 RUNS: 233888\\\nread:RPD Server.0.0.0.0+780.192.168.0.78+49144 TOT:00000004.00007565 MAX:00000000.00080360 RUNS: 233888\\\nread:RPD Server.0.0.0.0+780.192.168.0.78+49694 TOT:00000003.00600584 MAX:00000000.00080463 RUNS: 233888\\\nread:RPD Server.0.0.0.0+780.192.168.0.78+50246 TOT:00000004.00346998 MAX:00000000.00080338 RUNS: 233888\\\n\n\n\nThis issue affects:\n\nJunos OS with cRPD:\u00a0\n\n * All versions before 21.2R3-S8,\u00a0\n * 21.4 before 21.4R3-S7,\u00a0\n * 22.1 before 22.1R3-S6,\u00a0\n * 22.2 before 22.2R3-S4,\u00a0\n * 22.3 before 22.3R3-S3,\u00a0\n * 22.4 before 22.4R3-S2,\u00a0\n * 23.2 before 23.2R2-S2,\u00a0\n * 24.2 before 24.2R2;\u00a0\n\n\nJunos OS Evolved with cRPD:\u00a0\n\n * All versions before 21.4R3-S7-EVO,\u00a0\n * 22.2 before 22.2R3-S4-EVO,\u00a0\n * 22.3 before 22.3R3-S3-EVO,\u00a0\n * 22.4 before 22.4R3-S2-EVO,\u00a0\n * 23.2 before 23.2R2-EVO."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-755 Improper Handling of Exceptional Conditions",
"cweId": "CWE-755"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Juniper Networks",
"product": {
"product_data": [
{
"product_name": "Junos OS",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "0",
"version_value": "21.2R3-S8"
},
{
"version_affected": "<",
"version_name": "21.4",
"version_value": "21.4R3-S7"
},
{
"version_affected": "<",
"version_name": "22.1",
"version_value": "22.1R3-S6"
},
{
"version_affected": "<",
"version_name": "22.2",
"version_value": "22.2R3-S4"
},
{
"version_affected": "<",
"version_name": "22.3",
"version_value": "22.3R3-S3"
},
{
"version_affected": "<",
"version_name": "22.4",
"version_value": "22.4R3-S2"
},
{
"version_affected": "<",
"version_name": "23.2",
"version_value": "23.2R2-S2"
},
{
"version_affected": "<",
"version_name": "24.2",
"version_value": "24.2R2"
}
]
}
},
{
"product_name": "Junos OS Evolved",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "0",
"version_value": "21.4R3-S7-EVO"
},
{
"version_affected": "<",
"version_name": "22.2-EVO",
"version_value": "22.2R3-S4-EVO"
},
{
"version_affected": "<",
"version_name": "22.3-EVO",
"version_value": "22.3R3-S3-EVO"
},
{
"version_affected": "<",
"version_name": "22.4-EVO",
"version_value": "22.4R3-S2-EVO"
},
{
"version_affected": "<",
"version_name": "23.2-EVO",
"version_value": "23.2R2-EVO"
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://supportportal.juniper.net/JSA88108",
"refsource": "MISC",
"name": "https://supportportal.juniper.net/JSA88108"
}
]
},
"generator": {
"engine": "Vulnogram 0.1.0-dev"
},
"source": {
"advisory": "JSA88108",
"defect": [
"1765417"
],
"discovery": "USER"
},
"configuration": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "rpd-server is enabled by default in cRPD. No specific configuration is required to be vulnerable to this issue.
BGP RIB sharding is enabled using the following configuration:
[set system processes routing bgp rib-sharding]"
}
],
"value": "rpd-server is enabled by default in cRPD. No specific configuration is required to be vulnerable to this issue.\n\nBGP RIB sharding is enabled using the following configuration:\n\n[set system processes routing bgp rib-sharding]"
}
],
"work_around": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "There are no known workarounds for this issue."
}
],
"value": "There are no known workarounds for this issue."
}
],
"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."
}
],
"solution": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The following software releases have been updated to resolve this specific issue:
Junos OS 21.2R3-S8, 21.4R3-S7, 22.1R3-S6, 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2-S2, 23.4R1, and all subsequent releases.
Junos OS Evolved 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.
"
}
],
"value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS 21.2R3-S8, 21.4R3-S7, 22.1R3-S6, 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2-S2, 23.4R1, and all subsequent releases.\nJunos OS Evolved 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases."
}
],
"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"
}
]
}
}