PT-2022-1477 · Juniper Networks · Junos

Published

2022-01-12

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Updated

2022-01-26

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CVE-2022-22170

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 19.4R2-S6, 19.4R3-S6 Juniper Networks Junos OS versions prior to 20.1R3-S2 Juniper Networks Junos OS versions prior to 20.2R3-S3 Juniper Networks Junos OS versions prior to 20.3R3-S1 Juniper Networks Junos OS versions prior to 20.4R3 Juniper Networks Junos OS versions prior to 21.1R3 Juniper Networks Junos OS versions prior to 21.2R2
Description A Missing Release of Resource after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: show chassis fpc.
Recommendations For Juniper Networks Junos OS versions prior to 19.4R2-S6, 19.4R3-S6, update to version 19.4R2-S6 or 19.4R3-S6 or later. For Juniper Networks Junos OS versions prior to 20.1R3-S2, update to version 20.1R3-S2 or later. For Juniper Networks Junos OS versions prior to 20.2R3-S3, update to version 20.2R3-S3 or later. For Juniper Networks Junos OS versions prior to 20.3R3-S1, update to version 20.3R3-S1 or later. For Juniper Networks Junos OS versions prior to 20.4R3, update to version 20.4R3 or later. For Juniper Networks Junos OS versions prior to 21.1R3, update to version 21.1R3 or later. For Juniper Networks Junos OS versions prior to 21.2R2, update to version 21.2R2 or later.

Fix

DoS

Missing Release of Resource after Effective Lifetime

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Weakness Enumeration

CWE-772

Related Identifiers

BDU:2022-00623
CVE-2022-22170

Affected Products

Junos