title: Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet
description: On Juniper Networks Junos OS and Junos OS Evolved devices, processing a specific BGP packet can lead to a routing process daemon (RPD) crash and restart. This issue can occur even before the BGP session with the peer is established. Repeated receipt of this specific BGP packet can result in an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 18.2X75 versions starting from 18.2X75-D50.8, 18.2X75-D60 and later versions, prior to 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70; 19.4 versions 19.4R1 and 19.4R1-S1; 20.1 versions prior to 20.1R1-S2, 20.1R2. Juniper Networks Junos OS Evolved: 19.4-EVO versions prior to 19.4R2-S2-EVO; 20.1-EVO versions prior to 20.1R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
problem types: CWE-159 Failure to Sanitize Special Element
affected:
{
product: Junos OS
vendor: Juniper Networks
versions:
changes: [at: 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70, status: unaffected], lessThan: 18.2X75*, status: affected, version: 18.2X75-D50.8 18.2X75-D60, versionType: custom
changes: [at: 19.4R1, status: affected], lessThan: 19.4R1, status: unaffected, version: 19.4, versionType: custom
lessThan: 20.1R1-S2, 20.1R2, status: affected, version: 20.1, versionType: custom
}
{
product: Junos OS Evolved
vendor: Juniper Networks
versions:
changes: [at: 19.4R2-S2-EVO, status: unaffected], lessThan: 19.4R1-EVO, status: unaffected, version: 19.4-EVO, versionType: custom
lessThan: 20.1R2-EVO, status: affected, version: 20.1-EVO, versionType: custom
}
metrics:
cvssV3_1: [
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
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve this specific issue:
Junos OS: 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70, 19.4R1-S2, 19.4R2, 20.1R1-S2, 20.1R2, 20.2R1, and all subsequent releases.
Junos OS Evolved: 19.4R2-S2-EVO, 20.1R2-EVO, 20.2R1-EVO and all subsequent releases.
workarounds: There are no viable workarounds for this issue.