7.5
CWE
772
Advisory Published
Updated

CVE-2022-22170: Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset

First published: Wed Jan 12 2022(Updated: )

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: user@host> show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper JUNOS=19.4-r1
Juniper JUNOS=19.4-r1-s1
Juniper JUNOS=19.4-r1-s2
Juniper JUNOS=19.4-r1-s3
Juniper JUNOS=19.4-r1-s4
Juniper JUNOS=19.4-r2
Juniper JUNOS=19.4-r2-s1
Juniper JUNOS=19.4-r2-s2
Juniper JUNOS=19.4-r2-s3
Juniper JUNOS=19.4-r2-s4
Juniper JUNOS=19.4-r2-s5
Juniper JUNOS=19.4-r3
Juniper JUNOS=19.4-r3-s1
Juniper JUNOS=19.4-r3-s2
Juniper JUNOS=19.4-r3-s3
Juniper JUNOS=19.4-r3-s4
Juniper JUNOS=19.4-r3-s5
Juniper JUNOS=19.4-r3-s6
Juniper JUNOS=20.1-r1
Juniper JUNOS=20.1-r1-s1
Juniper JUNOS=20.1-r1-s2
Juniper JUNOS=20.1-r1-s3
Juniper JUNOS=20.1-r1-s4
Juniper JUNOS=20.1-r2
Juniper JUNOS=20.1-r2-s1
Juniper JUNOS=20.1-r2-s2
Juniper JUNOS=20.1-r3
Juniper JUNOS=20.1-r3-s1
Juniper JUNOS=20.1-r3-s2
Juniper JUNOS=20.2-r1
Juniper JUNOS=20.2-r1-s1
Juniper JUNOS=20.2-r1-s2
Juniper JUNOS=20.2-r1-s3
Juniper JUNOS=20.2-r2
Juniper JUNOS=20.2-r2-s1
Juniper JUNOS=20.2-r2-s2
Juniper JUNOS=20.2-r2-s3
Juniper JUNOS=20.2-r3
Juniper JUNOS=20.2-r3-s1
Juniper JUNOS=20.2-r3-s2
Juniper JUNOS=20.3-r1
Juniper JUNOS=20.3-r1-s1
Juniper JUNOS=20.3-r2
Juniper JUNOS=20.3-r2-s1
Juniper JUNOS=20.3-r3
Juniper JUNOS=20.3-r3-s1
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=20.4-r3
Juniper JUNOS=21.1-r1
Juniper JUNOS=21.1-r1-s1
Juniper JUNOS=21.1-r2
Juniper JUNOS=21.1-r2-s1
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.3-r1

Remedy

The following Junos OS software releases have been updated to resolve this specific issue: 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203