CVE-2023-22403

Summary

An Allocation of Resources Without Limits or Throttling vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

On QFX10K Series, Inter-Chassis Control Protocol (ICCP) is used in MC-LAG topologies to exchange control information between the devices in the topology. ICCP connection flaps and sync issues will be observed due to excessive specific traffic to the local device.

This issue affects Juniper Networks Junos OS on QFX10K Series:

  • All versions prior to 20.2R3-S7;
  • 20.4 versions prior to 20.4R3-S4;
  • 21.1 versions prior to 21.1R3-S3;
  • 21.2 versions prior to 21.2R3-S1;
  • 21.3 versions prior to 21.3R3;
  • 21.4 versions prior to 21.4R3;
  • 22.1 versions prior to 22.1R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 20.2R3-S7affected
Juniper NetworksJunos OS20.4 < 20.4R3-S4affected
Juniper NetworksJunos OS21.1 < 21.1R3-S3affected
Juniper NetworksJunos OS21.2 < 21.2R3-S1affected
Juniper NetworksJunos OS21.3 < 21.3R3affected
Juniper NetworksJunos OS21.4 < 21.4R3affected
Juniper NetworksJunos OS22.1 < 22.1R2affected

Weaknesses

  • CWE-770: CWE-770 Allocation of Resources Without Limits or Throttling
  • Denial of Service (DoS)

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References