Riskcovery

CVE-2019-0068

Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets

State
Published
Severity
6.5 Medium
Published
Oct 9, 2019
Updated
Sep 17, 2024
Reserved
Oct 11, 2018

Read the record on cve.org

Description

The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.

Scores

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

Weaknesses

  • CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 17.3Affected
  • 12.3X48 to before 12.3X48-D90Affected
  • 15.1X49 to before 15.1X49-D180Affected
  • 17.4 to before 17.4R2-S5, 17.4R3Affected
  • 18.1 to before 18.1R3-S6Affected
  • 18.2 to before 18.2R2-S4, 18.2R3Affected
  • 18.3 to before 18.3R2-S1, 18.3R3Affected
  • 18.4 to before 18.4R2Affected
  • 19.1 to before 19.1R1-S1, 19.1R2Affected

References

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