Junos OS: QFX and PTX Series: FPC process crashes after J-Flow processes a malformed packet (Juniper Networks Junos OS)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.71 % · percentile 77 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- juniper
- NVD status
- Modified
Description
On QFX and PTX Series, receipt of a malformed packet for J-Flow sampling might crash the FPC (Flexible PIC Concentrator) process which causes all interfaces to go down. By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Service (DoS). This issue affects both IPv4 and IPv6 packet processing. Affected releases are Juniper Networks Junos OS on QFX and PTX Series: 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1; 18.2 versions prior to 18.2R1-S3, 18.2R2; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D100.
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | HIGH 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | juniper |
| CVSS 3.0 | HIGH 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · sirt@juniper.net (Secondary) |
| CVSS 3.0 | HIGH 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2019-0821
- GCVE · GCVE-0-2019-0014
CERT-FR advisories
- CERTFR-2019-AVI-014 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:juniper:junos:17.2x75:d102:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.2x75:d50:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.2x75:d70:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:*:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Juniper Networks · Junos OS | affected 17.4 < 17.4R2-S1, 17.4R3 ; affected 18.1 < 18.1R3-S1, 18.1R4 ; affected 18.2 < 18.2R1-S3, 18.2R2 ; affected 17.2X75 < 17.2X75-D91, 17.2X75-D100 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |