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Rewterz Threat Advisory – CVE-2020-1679 – Juniper Networks Junos OS denial of service

Severity

Medium

Analysis Summary

Juniper Networks Junos OS is vulnerable to a denial of service, caused by a flaw Kernel Routing Table (KRT) queue when the tunnel-observation mpls-over-udp configuration is enabled. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.

Impact

Denial of service

Affected Vendors

Juniper

Affected Products

  • Juniper Networks Junos OS on PTX/QFX Series 17.2X75
  • Juniper Networks Junos OS on PTX/QFX Series 18.1
  • Juniper Networks Junos OS on PTX/QFX Series 18.2
  • Juniper Networks Junos OS on PTX/QFX Series 18.2X75

Remediation

Refer to Juniper Networks advisory for the complete list of affected products and their respective patches.

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11076&cat=SIRT_1&actp=LIST