CVE-2018-0019

Summary

A vulnerability in Junos OS SNMP MIB-II subagent daemon (mib2d) may allow a remote network based attacker to cause the mib2d process to crash resulting in a denial of service condition (DoS) for the SNMP subsystem. While a mib2d process crash can disrupt the network monitoring via SNMP, it does not impact routing, switching or firewall functionalities. SNMP is disabled by default on devices running Junos OS. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D76; 12.3 versions prior to 12.3R12-S7, 12.3R13; 12.3X48 versions prior to 12.3X48-D65; 14.1 versions prior to 14.1R9; 14.1X53 versions prior to 14.1X53-D130; 15.1 versions prior to 15.1F2-S20, 15.1F6-S10, 15.1R7; 15.1X49 versions prior to 15.1X49-D130; 15.1X53 versions prior to 15.1X53-D233, 15.1X53-D471, 15.1X53-D472, 15.1X53-D58, 15.1X53-D66; 16.1 versions prior to 16.1R5-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D47; 16.1X70 versions prior to 16.1X70-D10; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R2-S6, 17.1R3;

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS12.1X46 < 12.1X46-D76affected
Juniper NetworksJunos OS12.3 < 12.3R12-S7, 12.3R13affected
Juniper NetworksJunos OS12.3X48 < 12.3X48-D65affected
Juniper NetworksJunos OS14.1 < 14.1R9affected
Juniper NetworksJunos OS14.1X53 < 14.1X53-D130affected
Juniper NetworksJunos OS15.1 < 15.1F2-S20, 15.1F6-S10, 15.1R7affected
Juniper NetworksJunos OS15.1X49 < 15.1X49-D130affected
Juniper NetworksJunos OS15.1X53 < 15.1X53-D233, 15.1X53-D471, 15.1X53-D472, 15.1X53-D58, 15.1X53-D66affected
Juniper NetworksJunos OS16.1 < 16.1R5-S3, 16.1R7affected
Juniper NetworksJunos OS16.1X65 < 16.1X65-D47affected
Juniper NetworksJunos OS16.1X70 < 16.1X70-D10affected
Juniper NetworksJunos OS16.2 < 16.2R1-S6, 16.2R2-S5, 16.2R3affected
Juniper NetworksJunos OS17.1 < 17.1R2-S6, 17.1R3affected
Juniper NetworksJunos OS17.2 < 17.2*unaffected

Weaknesses

  • denial of service

Workarounds

Disable SNMP (disabled by default), utilize edge filtering with source-address validation (uRPF, etc.), access control lists (ACLs), and/or SNMPv3 authentication to limit access to the device only from trusted hosts.

ADP Enrichment

CVE Program Container

Additional References

References