title: Junos OS: RPD crash when receiving a crafted BGP UPDATE
description: The receipt of a crafted BGP UPDATE can lead to a routing process daemon (RPD) crash and restart. Repeated receipt of the same crafted BGP UPDATE can result in an extended denial of service condition for the device. This issue only affects the specific versions of Junos OS listed within this advisory. Earlier releases are unaffected by this vulnerability. This crafted BGP UPDATE does not propagate to other BGP peers. Affected releases are Juniper Networks Junos OS: 16.1X65 versions prior to 16.1X65-D47; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D110; 17.3 versions prior to 17.3R1-S4, 17.3R2; 17.4 versions prior to 17.4R1-S3, 17.4R2.
problem types: Denial of Service
affected:
{
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 16.1X65-D47, status: affected, version: 16.1X65, versionType: custom
lessThan: 17.2X75-D91, 17.2X75-D110, status: affected, version: 17.2X75, versionType: custom
lessThan: 17.3R1-S4, 17.3R2, status: affected, version: 17.3, versionType: custom
lessThan: 17.4R1-S3, 17.4R2, status: affected, version: 17.4, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.0
]
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: 16.1X65-D47, 17.2X75-D110, 17.2X75-D91, 17.3R1-S4, 17.3R2, 17.4R1-S3, 17.4R2, 18.1R1, 18.2R1, 18.2X75-D5, and all subsequent releases.
workarounds: There are no known workarounds for this issue