CVE-2019-0068

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS17.3affected
Juniper NetworksJunos OS12.3X48 < 12.3X48-D90affected
Juniper NetworksJunos OS15.1X49 < 15.1X49-D180affected
Juniper NetworksJunos OS17.4 < 17.4R2-S5, 17.4R3affected
Juniper NetworksJunos OS18.1 < 18.1R3-S6affected
Juniper NetworksJunos OS18.2 < 18.2R2-S4, 18.2R3affected
Juniper NetworksJunos OS18.3 < 18.3R2-S1, 18.3R3affected
Juniper NetworksJunos OS18.4 < 18.4R2affected
Juniper NetworksJunos OS19.1 < 19.1R1-S1, 19.1R2affected

Weaknesses

  • Denial of Service (DoS)
  • CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

Workarounds

There are no available workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References