CVE-2024-39549

Summary

A Missing Release of Memory after Effective Lifetime vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).

Consumed memory can be freed by manually restarting Routing Protocol Daemon (rpd).

Memory utilization could be monitored by:  user@host> show system memory or show system monitor memory status

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-S3,

  • from 23.2 before 23.2R2-S1, 

  • from 23.4 before 23.4R1-S2, 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-S3-EVO,

  • from 23.2 before 23.2R2-S1-EVO,

  • from 23.4 before 23.4R1-S2-EVO, 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-S3affected
Juniper NetworksJunos OS23.2 < 23.2R2-S1affected
Juniper NetworksJunos OS23.4 < 23.4R1-S2, 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-S3-EVOaffected
Juniper NetworksJunos OS Evolved23.2 < 23.2R2-S1-EVOaffected
Juniper NetworksJunos OS Evolved23.4 < 23.4R1-S2-EVO, 23.4R2-EVOaffected

Weaknesses

  • CWE-401: CWE-401: Missing Release of Memory after Effective Lifetime

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References