title: Junos OS: SRX Series: Denial of Service vulnerability in srxpfe related to PIM
description: A vulnerability in the srxpfe process on Protocol Independent Multicast (PIM) enabled SRX series devices may lead to crash of the srxpfe process and an FPC reboot while processing (PIM) messages. Sustained receipt of these packets may lead to an extended denial of service condition. Affected releases are Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D80; 15.1X49 versions prior to 15.1X49-D160; 17.3 versions prior to 17.3R3-S7 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R2; 18.3 versions prior to 18.3R2.
problem types: Denial of Service
affected:
{
platforms: SRX Series
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 12.3X48-D80, status: affected, version: 12.3X48, versionType: custom
lessThan: 15.1X49-D160, status: affected, version: 15.1X49, versionType: custom
lessThan: 17.3R3-S7, status: affected, version: 17.3, versionType: custom
lessThan: 17.4R2-S8, 17.4R3, status: affected, version: 17.4, versionType: custom
lessThan: 18.1R3-S8, status: affected, version: 18.1, versionType: custom
lessThan: 18.2R2, status: affected, version: 18.2, versionType: custom
lessThan: 18.3R2, status: affected, version: 18.3, 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: 12.3X48-D80, 15.1X49-D160, 17.3R3-S7*, 17.4R2-S8*, 17.4R3*, 18.2R2, 18.3R2, 18.4R1, and all subsequent releases.
(* pending release)
workarounds: There are no viable workarounds for this issue.