CVE-2022-22170

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 19.4R1unaffected
Juniper NetworksJunos OS19.4 < 19.4R2-S6, 19.4R3-S6affected
Juniper NetworksJunos OS20.1 < 20.1R3-S2affected
Juniper NetworksJunos OS20.2 < 20.2R3-S3affected
Juniper NetworksJunos OS20.3 < 20.3R3-S1affected
Juniper NetworksJunos OS20.4 < 20.4R3affected
Juniper NetworksJunos OS21.1 < 21.1R3affected
Juniper NetworksJunos OS21.2 < 21.2R2affected

Weaknesses

  • Denial of Service (DoS)
  • CWE-772: CWE-772 Missing Release of Resource after Effective Lifetime

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References