CVE-2018-0002

Summary

On SRX Series and MX Series devices with a Service PIC with any ALG enabled, a crafted TCP/IP response packet processed through the device results in memory corruption leading to a flowd daemon crash. Sustained crafted response packets lead to repeated crashes of the flowd daemon which results in an extended Denial of Service condition. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D60 on SRX series; 12.3X48 versions prior to 12.3X48-D35 on SRX series; 14.1 versions prior to 14.1R9 on MX series; 14.2 versions prior to 14.2R8 on MX series; 15.1X49 versions prior to 15.1X49-D60 on SRX series; 15.1 versions prior to 15.1R5-S8, 15.1F6-S9, 15.1R6-S4, 15.1R7 on MX series; 16.1 versions prior to 16.1R6 on MX series; 16.2 versions prior to 16.2R3 on MX series; 17.1 versions prior to 17.1R2-S4, 17.1R3 on MX series. No other Juniper Networks products or platforms are affected by this issue.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS12.1X46 < 12.1X46-D60affected
Juniper NetworksJunos OS12.3X48 < 12.3X48-D35affected
Juniper NetworksJunos OS15.1X49 < 15.1X49-D60affected
Juniper NetworksJunos OS14.1 < 14.1R9affected
Juniper NetworksJunos OS14.2 < 14.2R8affected
Juniper NetworksJunos OS15.1 < 15.1R5-S8, 15.1F6-S9, 15.1R6-S4, 15.1R7affected
Juniper NetworksJunos OS16.1 < 16.1R6affected
Juniper NetworksJunos OS16.2 < 16.2R3affected
Juniper NetworksJunos OS17.1 < 17.1R2-S4, 17.1R3affected

Weaknesses

  • denial of service

Workarounds

Disable IPv4 ALG's on affected devices.

ADP Enrichment

CVE Program Container

Additional References

References