CVE-2020-1671

Summary

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash with a core dump if a malformed DHCPv6 packet is received, resulting with the restart of the daemon. This issue only affects DHCPv6, it does not affect DHCPv4. This issue affects: Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.2X75 versions prior to 18.2X75-D65; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.2 version 19.2R2 and later versions; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2; This issue does not affect Juniper Networks Junos OS prior to 17.4R1.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 17.4R1unaffected
Juniper NetworksJunos OS17.4 < 17.4R2-S12, 17.4R3-S3affected
Juniper NetworksJunos OS18.1 < 18.1R3-S11affected
Juniper NetworksJunos OS18.2 < 18.2R3-S6affected
Juniper NetworksJunos OS18.2X75 < 18.2X75-D65affected
Juniper NetworksJunos OS18.3 < 18.3R2-S4, 18.3R3-S3affected
Juniper NetworksJunos OS18.4 < 18.4R2-S5, 18.4R3-S4affected
Juniper NetworksJunos OS19.1 < 19.1R3-S2affected
Juniper NetworksJunos OS19.2 < 19.2R1-S5, 19.2R3affected
Juniper NetworksJunos OS19.3 < 19.3R2-S4, 19.3R3affected
Juniper NetworksJunos OS19.4 < 19.4R1-S3, 19.4R2-S2, 19.4R3affected
Juniper NetworksJunos OS20.1 < 20.1R1-S3, 20.1R2affected

Weaknesses

  • CWE-119: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-125: CWE-125 Out-of-bounds Read

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References