CVE-2020-1627

Summary

CVECVE-2020-1627
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-08 20:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionA vulnerability in Juniper Networks Junos OS on vMX and MX150 devices may allow an attacker to cause a Denial of Service (DoS) by sending specific packets requiring special processing in microcode that the flow cache can't handle, causing the riot forwarding daemon to crash. By continuously sending the same specific packets, an attacker can repeatedly crash the riot process causing a sustained Denial of Service. Flow cache is specific to vMX based products and the MX150, and is enabled by default in performance mode. This issue can only be triggered by traffic destined to the device. Transit traffic will not cause the riot daemon to crash. When the issue occurs, a core dump and riot log file entry are generated. For example: /var/crash/core.J-UKERN.mpc0.1557255993.3864.gz /home/pfe/RIOT logs: fpc0 riot[1888]: PANIC in lu_reorder_send_packet_postproc(): fpc0 riot[6655]: PANIC in lu_reorder_send_packet_postproc(): This issue affects Juniper Networks Junos OS: 18.1 versions prior to 18.1R3 on vMX and MX150; 18.2 versions prior to 18.2R3 on vMX and MX150; 18.2X75 versions prior to 18.2X75-D60 on vMX and MX150; 18.3 versions prior to 18.3R3 on vMX and MX150; 18.4 versions prior to 18.4R2 on vMX and MX150; 19.1 versions prior to 19.1R2 on vMX and MX150. This issue does not affect Junos OS versions prior to 18.1R1.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos 18.1 - All All
Operating System Juniper Junos 18.1 r2 All All
Operating System Juniper Junos 18.1 r2-s1 All All
Operating System Juniper Junos 18.1 r2-s2 All All
Operating System Juniper Junos 18.1 r2-s4 All All
Operating System Juniper Junos 18.2 - All All
Operating System Juniper Junos 18.2 r1 - All
Operating System Juniper Junos 18.2 r1-s3 All All
Operating System Juniper Junos 18.2 r1-s5 All All
Operating System Juniper Junos 18.2 r2-s1 All All
Operating System Juniper Junos 18.2 r2-s2 All All
Operating System Juniper Junos 18.2 r2-s3 All All
Operating System Juniper Junos 18.2 r2-s4 All All
Operating System Juniper Junos 18.2 r2-s5 All All
Operating System Juniper Junos 18.2 r2-s6 All All
Operating System Juniper Junos 18.2x75 - All All
Operating System Juniper Junos 18.2x75 d20 All All
Operating System Juniper Junos 18.2x75 d30 All All
Operating System Juniper Junos 18.2x75 d40 All All
Operating System Juniper Junos 18.3 - All All
Operating System Juniper Junos 18.3 r1 All All
Operating System Juniper Junos 18.3 r1-s1 All All
Operating System Juniper Junos 18.3 r1-s2 All All
Operating System Juniper Junos 18.3 r1-s3 All All
Operating System Juniper Junos 18.3 r1-s5 All All
Operating System Juniper Junos 18.3 r2 All All
Operating System Juniper Junos 18.3 r2-s1 All All
Operating System Juniper Junos 18.3 r2-s2 All All
Operating System Juniper Junos 18.4 - All All
Operating System Juniper Junos 18.4 r1 All All
Operating System Juniper Junos 18.4 r1-s1 All All
Operating System Juniper Junos 18.4 r1-s2 All All
Operating System Juniper Junos 18.4 r1-s5 All All
Operating System Juniper Junos 19.1 - All All
Operating System Juniper Junos 19.1 r1 All All
Operating System Juniper Junos 19.1 r1-s1 All All
Operating System Juniper Junos 19.1 r1-s2 All All
Operating System Juniper Junos 19.1 r1-s3 All All
Operating System Juniper Junos 18.1 - All All
Operating System Juniper Junos 18.1 r2 All All
Operating System Juniper Junos 18.1 r2-s1 All All
Operating System Juniper Junos 18.1 r2-s2 All All
Operating System Juniper Junos 18.1 r2-s4 All All
Operating System Juniper Junos 18.2 - All All
Operating System Juniper Junos 18.2 r1 - All
Operating System Juniper Junos 18.2 r1-s3 All All
Operating System Juniper Junos 18.2 r1-s5 All All
Operating System Juniper Junos 18.2 r2-s1 All All
Operating System Juniper Junos 18.2 r2-s2 All All
Operating System Juniper Junos 18.2 r2-s3 All All
Operating System Juniper Junos 18.2 r2-s4 All All
Operating System Juniper Junos 18.2 r2-s5 All All
Operating System Juniper Junos 18.2 r2-s6 All All
Operating System Juniper Junos 18.2x75 - All All
Operating System Juniper Junos 18.2x75 d20 All All
Operating System Juniper Junos 18.2x75 d30 All All
Operating System Juniper Junos 18.2x75 d40 All All
Operating System Juniper Junos 18.3 - All All
Operating System Juniper Junos 18.3 r1 All All
Operating System Juniper Junos 18.3 r1-s1 All All
Operating System Juniper Junos 18.3 r1-s2 All All
Operating System Juniper Junos 18.3 r1-s3 All All
Operating System Juniper Junos 18.3 r1-s5 All All
Operating System Juniper Junos 18.3 r2 All All
Operating System Juniper Junos 18.3 r2-s1 All All
Operating System Juniper Junos 18.3 r2-s2 All All
Operating System Juniper Junos 18.4 - All All
Operating System Juniper Junos 18.4 r1 All All
Operating System Juniper Junos 18.4 r1-s1 All All
Operating System Juniper Junos 18.4 r1-s2 All All
Operating System Juniper Junos 18.4 r1-s5 All All
Operating System Juniper Junos 19.1 - All All
Operating System Juniper Junos 19.1 r1 All All
Operating System Juniper Junos 19.1 r1-s1 All All
Operating System Juniper Junos 19.1 r1-s2 All All
Operating System Juniper Junos 19.1 r1-s3 All All
Hardware Juniper Mx150 - All All All
Hardware Juniper Mx150 - All All All
Application Juniper Vmx - All All All
Application Juniper Vmx - All All All

References

ReferenceSourceLinkTags
2020-04 Security Bulletin: Junos OS: vMX and MX150: Denial of Service vulnerability in packet processing (CVE-2020-1627) - 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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