Riskcovery

CVE-2022-22153

SRX Series and MX Series with SPC3: A high percentage of fragments might lead to high latency or packet drops

State
Published
Severity
7.5 High
Published
Jan 19, 2022
Updated
Sep 17, 2024
Reserved
Dec 21, 2021

Read the record on cve.org

Description

An Insufficient Algorithmic Complexity combined with an Allocation of Resources Without Limits or Throttling vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 allows an unauthenticated network attacker to cause latency in transit packet processing and even packet loss. If transit traffic includes a significant percentage (> 5%) of fragmented packets which need to be reassembled, high latency or packet drops might be observed. This issue affects Juniper Networks Junos OS on SRX Series, MX Series with SPC3: All versions prior to 18.2R3; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2-S9, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-407 Algorithmic Complexity
  • CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 18.2R3Affected
  • 18.3 to before 18.3R3Affected
  • 18.4 to before 18.4R2-S9, 18.4R3Affected
  • 19.1 to before 19.1R2Affected
  • 19.2 to before 19.2R1-S1, 19.2R2Affected

References

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