CVE-2020-1638

Summary

CVECVE-2020-1638
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-08 20:15:00 UTC
Updated2022-01-01 17:32:00 UTC
DescriptionThe FPC (Flexible PIC Concentrator) of Juniper Networks Junos OS and Junos OS Evolved may restart after processing a specific IPv4 packet. Only packets destined to the device itself, successfully reaching the RE through existing edge and control plane filtering, will be able to cause the FPC restart. When this issue occurs, all traffic via the FPC will be dropped. By continuously sending this specific IPv4 packet, an attacker can repeatedly crash the FPC, causing an extended Denial of Service (DoS) condition. This issue can only occur when processing a specific IPv4 packet. IPv6 packets cannot trigger this issue. This issue affects: Juniper Networks Junos OS on MX Series with MPC10E or MPC11E and PTX10001: 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S2, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. Juniper Networks Junos OS Evolved on on QFX5220, and PTX10003 series: 19.2-EVO versions; 19.3-EVO versions; 19.4-EVO versions prior to 19.4R2-EVO. This issue does not affect Junos OS versions prior to 19.2R1. This issue does not affect Junos OS Evolved versions prior to 19.2R1-EVO.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos 19.2 - All All
Operating System Juniper Junos 19.2 r1 All All
Operating System Juniper Junos 19.2 r1-s1 All All
Operating System Juniper Junos 19.2 r1-s2 All All
Operating System Juniper Junos 19.2 r1-s3 All All
Operating System Juniper Junos 19.3 r1 All All
Operating System Juniper Junos 19.3 r1-s1 All All
Operating System Juniper Junos 19.3 r2 All All
Operating System Juniper Junos 19.3 r2-s1 All All
Operating System Juniper Junos 19.4 r1 All All
Operating System Juniper Junos 19.2 - All All
Operating System Juniper Junos 19.2 r1 All All
Operating System Juniper Junos 19.2 r1-s1 All All
Operating System Juniper Junos 19.2 r1-s2 All All
Operating System Juniper Junos 19.2 r1-s3 All All
Operating System Juniper Junos 19.3 r1 All All
Operating System Juniper Junos 19.3 r1-s1 All All
Operating System Juniper Junos 19.3 r2 All All
Operating System Juniper Junos 19.3 r2-s1 All All
Operating System Juniper Junos 19.4 r1 All All
Operating System Juniper Junos Evolved 19.2 r1 All All
Operating System Juniper Junos Evolved 19.3 r2 All All
Operating System Juniper Junos Evolved 19.4 r1 All All
Operating System Juniper Junos Evolved 19.2 r1 All All
Operating System Juniper Junos Evolved 19.3 r2 All All
Operating System Juniper Junos Evolved 19.4 r1 All All
Operating System Juniper Junos Os Evolved 19.2 r1 All All
Operating System Juniper Junos Os Evolved 19.3 r2 All All
Operating System Juniper Junos Os Evolved 19.4 r1 All All
Hardware Juniper Mx10003 - All All All
Hardware Juniper Mx10003 - All All All
Hardware Juniper Mx2008 - All All All
Hardware Juniper Mx2008 - All All All
Hardware Juniper Mx2010 - All All All
Hardware Juniper Mx2010 - All All All
Hardware Juniper Mx2020 - All All All
Hardware Juniper Mx2020 - All All All
Hardware Juniper Mx240 - All All All
Hardware Juniper Mx240 - All All All
Hardware Juniper Mx480 - All All All
Hardware Juniper Mx480 - All All All
Hardware Juniper Mx960 - All All All
Hardware Juniper Mx960 - All All All
Hardware Juniper Ptx10003 - All All All
Hardware Juniper Ptx10003 - All All All
Hardware Juniper Qfx5220 - All All All
Hardware Juniper Qfx5220 - All All All

References

ReferenceSourceLinkTags
2020-04 Security Bulletin: Junos OS & Junos OS Evolved: A specific IPv4 packet can lead to FPC restart. (CVE-2020-1638) - Juniper Networks CONFIRM kb.juniper.net Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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