Junos OS: jdhcpd process crash when forwarding a malformed DHCP packet. (Juniper Networks Junos OS)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.00 % · percentile 63 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- juniper
- NVD status
- Modified
Description
On Juniper Networks Junos OS devices configured as a DHCP forwarder, the Juniper Networks Dynamic Host Configuration Protocol Daemon (jdhcp) process might crash when receiving a malformed DHCP packet. This issue only affects devices configured as DHCP forwarder with forward-only option, that forward specified DHCP client packets, without creating a new subscriber session. The jdhcpd daemon automatically restarts without intervention, but continuous receipt of the malformed DHCP packet will repeatedly crash jdhcpd, leading to an extended Denial of Service (DoS) condition. This issue can be triggered only by DHCPv4, it cannot be triggered by DHCPv6. This issue affects Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S16; 12.3X48 versions prior to 12.3X48-D105 on SRX Series; 14.1X53 versions prior to 14.1X53-D60 on EX and QFX Series; 15.1 versions prior to 15.1R7-S7; 15.1X49 versions prior to 15.1X49-D221, 15.1X49-D230 on SRX Series; 15.1X53 versions prior to 15.1X53-D593 on EX2300/EX3400; 16.1 versions prior to 16.1R7-S5.
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | juniper |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | NVD · sirt@juniper.net (Secondary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-12524
- GCVE · GCVE-0-2020-1661
CERT-FR advisories
- CERTFR-2020-AVI-645 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:juniper:junos:12.3:-:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r10:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r10-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r10-s2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r11:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s11:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s12:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s13:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s14:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s15:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s6:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r12-s8:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r5:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r6:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r7:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r8:*:*:*:*:*:*cpe:2.3:o:juniper:junos:12.3:r9:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:-:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:a1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f2-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f2-s2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f2-s3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f2-s4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f5:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f5-s7:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f6:*:*:*:*:*:*cpe:2.3:o:juniper:junos:15.1:f6-s1:*:*:*:*:*:*- +164 more
Affected products
| Product | Versions |
|---|---|
| Juniper Networks · Junos OS | affected 12.3 < 12.3R12-S16 ; affected 15.1 < 15.1R7-S7 ; affected 16.1 < 16.1R7-S5 |
| Juniper Networks · Junos OS | affected 12.3X48 < 12.3X48-D105 ; affected 15.1X49 < 15.1X49-D221, 15.1X49-D230 |
| Juniper Networks · Junos OS | affected 14.1X53 < 14.1X53-D60 |
| Juniper Networks · Junos OS | affected 15.1X53 < 15.1X53-D593 |
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 |