CVE-2017-2345

Summary

On Junos OS devices with SNMP enabled, a network based attacker with unfiltered access to the RE can cause the Junos OS snmpd daemon to crash and restart by sending a crafted SNMP packet. Repeated crashes of the snmpd daemon can result in a partial denial of service condition. Additionally, it may be possible to craft a malicious SNMP packet in a way that can result in remote code execution. SNMP is disabled in Junos OS by default. Junos OS devices with SNMP disabled are not affected by this issue. No other Juniper Networks products or platforms are affected by this issue. NOTE: This is a different issue than Cisco CVE-2017-6736, CVE-2017-6737, and CVE-2017-6738. Affected releases are Juniper Networks Junos OS 12.1X46 prior to 12.1X46-D67; 12.3X48 prior to 12.3X48-D51, 12.3X48-D55; 13.3 prior to 13.3R10-S2; 14.1 prior to 14.1R2-S10, 14.1R8-S4, 14.1R9; 14.1X50 prior to 14.1X50-D185; 14.1X53 prior to 14.1X53-D122, 14.1X53-D44, 14.1X53-D50; 14.2 prior to 14.2R4-S9, 14.2R7-S7, 14.2R8; 15.1 prior to 15.1F2-S18, 15.1F6-S7, 15.1R4-S8, 15.1R5-S5, 15.1R6-S1, 15.1R7; 15.1X49 prior to 15.1X49-D100, 15.1X49-D110; 15.1X53 prior to 15.1X53-D231, 15.1X53-D47, 15.1X53-D48, 15.1X53-D57, 15.1X53-D64, 15.1X53-D70; 16.1 prior to 16.1R3-S4, 16.1R4-S3, 16.1R4-S4, 16.1R5; 16.2 prior to 16.2R2, 16.2R3; 17.1 prior to 17.1R1-S3, 17.1R2, 17.1R3; 17.2 prior to 17.2R1-S1, 17.2R2; 17.2X75 prior to 17.2X75-D30. Junos releases prior to 10.2 are not affected.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSJunos releases prior to 10.2 are not affectedaffected
Juniper NetworksJunos OS12.1X46 prior to 12.1X46-D67affected
Juniper NetworksJunos OS12.3X48 prior to 12.3X48-D51, 12.3X48-D55affected
Juniper NetworksJunos OS13.3 prior to 13.3R10-S2affected
Juniper NetworksJunos OS14.1 prior to 14.1R2-S10, 14.1R8-S4, 14.1R9affected
Juniper NetworksJunos OS14.1X50 prior to 14.1X50-D185affected
Juniper NetworksJunos OS14.1X53 prior to 14.1X53-D122, 14.1X53-D44, 14.1X53-D50affected
Juniper NetworksJunos OS14.2 prior to 14.2R4-S9, 14.2R7-S7, 14.2R8affected
Juniper NetworksJunos OS15.1 prior to 15.1F2-S18, 15.1F6-S7, 15.1R4-S8, 15.1R5-S5, 15.1R6-S1, 15.1R7affected
Juniper NetworksJunos OS15.1X49 prior to 15.1X49-D100affected
Juniper NetworksJunos OS15.1X53 prior to 15.1X53-D231, 15.1X53-D47, 15.1X53-D48, 15.1X53-D57, 15.1X53-D64, 15.1X53-D70affected
Juniper NetworksJunos OS16.1 prior to 16.1R3-S4, 16.1R4-S3, 16.1R4-S4, 16.1R5affected
Juniper NetworksJunos OS16.2 prior to 16.2R2affected
Juniper NetworksJunos OS17.1 prior to 17.1R1-S3, 17.1R2affected
Juniper NetworksJunos OS17.2 prior to 17.2R1-S1, 17.2R2affected
Juniper NetworksJunos OS17.2X75 prior to 17.2X75-D30affected

Weaknesses

  • Denial of service

Workarounds

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

ADP Enrichment

CVE Program Container

Additional References

References