CVE-2024-39543

Summary

A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to send specific RPKI-RTR packets resulting in a crash, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.

This issue affects 

Junos OS: 

  • All versions before 21.2R3-S8, 
  • from 21.4 before 21.4R3-S8,
  • from 22.2 before 22.2R3-S4, 
  • from 22.3 before 22.3R3-S3, 
  • from 22.4 before 22.4R3-S2, 
  • from 23.2 before 23.2R2-S1, 
  • from 23.4 before 23.4R2.

Junos OS Evolved: * All versions before 21.2R3-S8-EVO,

  • from 21.4 before 21.4R3-S8-EVO,
  • from 22.2 before 22.2R3-S4-EVO, 
  • from 22.3 before 22.3R3-S3-EVO,
  • from 22.4 before 22.4R3-S2-EVO, 
  • from 23.2 before 23.2R2-S1-EVO,
  • from 23.4 before 23.4R2-EVO.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS0 < 21.2R3-S8affected
Juniper NetworksJunos OS21.4 < 21.4R3-S8affected
Juniper NetworksJunos OS22.2 < 22.2R3-S4affected
Juniper NetworksJunos OS22.3 < 22.3R3-S3affected
Juniper NetworksJunos OS22.4 < 22.4R3-S2affected
Juniper NetworksJunos OS23.2 < 23.2R2-S1affected
Juniper NetworksJunos OS23.4 < 23.4R2affected
Juniper NetworksJunos OS Evolved0 < 21.2R3-S8-EVOaffected
Juniper NetworksJunos OS Evolved21.4 < 21.4R3-S8-EVOaffected
Juniper NetworksJunos OS Evolved22.2 < 22.2R3-S4-EVOaffected
Juniper NetworksJunos OS Evolved22.3 < 22.3R3-S3-EVOaffected
Juniper NetworksJunos OS Evolved22.4 < 22.4R3-S2-EVOaffected
Juniper NetworksJunos OS Evolved23.2 < 23.2R2-S1-EVOaffected
Juniper NetworksJunos OS Evolved23.4 < 23.4R2-EVOaffected

Weaknesses

  • CWE-120: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References