CVE-2024-39548

Summary

An Uncontrolled Resource Consumption vulnerability in the aftmand process of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to consume memory resources, resulting in a Denial of Service (DoS) condition. The processes do not recover on their own and must be manually restarted.

This issue affects both IPv4 and IPv6. 

Changes in memory usage can be monitored using the following CLI command: user@device> show system memory node <fpc slot> | grep evo-aftmann This issue affects Junos OS Evolved: 

  • All versions before 21.2R3-S8-EVO, 
  • 21.3 versions before 21.3R3-S5-EVO, 
  • 21.4 versions before 21.4R3-S5-EVO, 
  • 22.1 versions before 22.1R3-S4-EVO, 
  • 22.2 versions before 22.2R3-S4-EVO,
  • 22.3 versions before 22.3R3-S3-EVO,
  • 22.4 versions before 22.4R2-S2-EVO, 22.4R3-EVO, 
  • 23.2 versions before 23.2R1-S1-EVO, 23.2R2-EVO.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS Evolved0 < 21.2R3-S8-EVOaffected
Juniper NetworksJunos OS Evolved21.3 < 21.3R3-S5-EVOaffected
Juniper NetworksJunos OS Evolved21.4 < 21.4R3-S5-EVOaffected
Juniper NetworksJunos OS Evolved22.1 < 22.1R3-S4-EVOaffected
Juniper NetworksJunos OS Evolved22.2 < 22.2R3-S4affected
Juniper NetworksJunos OS Evolved22.3 < 22.3R3-S3-EVOaffected
Juniper NetworksJunos OS Evolved22.4 < 22.4R2-S2-EVO, 22.4R3-EVOaffected
Juniper NetworksJunos OS Evolved23.2 < 23.2R1-S1-EVO, 23.2R2-EVOaffected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption
  • Denial of Service (DoS)

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