CVE-2024-47503

Summary

An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX4600 and SRX5000 Series allows an unauthenticated and logically adjacent attacker to cause a Denial-of-Service (DoS).

If in a multicast scenario a sequence of

specific PIM packets is received, this will cause a flowd crash and restart, which leads to momentary service interruption. This issue affects Junos OS on SRX 4600 and SRX 5000 Series:

  • All versions before 21.4R3-S9,
  • 22.2 versions before 22.2R3-S5,
  • 22.3 versions before 22.3R3-S4,
  • 22.4 versions before 22.4R3-S4,
  • 23.2 versions before 23.2R2-S2,
  • 23.4 versions before 23.4R2, 
  • 24.2 versions before 24.2R1-S1, 24.2R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS0 < 21.4R3-S9affected
Juniper NetworksJunos OS22.2 < 22.2R3-S5affected
Juniper NetworksJunos OS22.3 < 22.3R3-S4affected
Juniper NetworksJunos OS22.4 < 22.4R3-S4affected
Juniper NetworksJunos OS23.2 < 23.2R2-S2affected
Juniper NetworksJunos OS23.4 < 23.4R2affected
Juniper NetworksJunos OS24.2 < 24.2R1-S1, 24.2R2affected

Weaknesses

  • CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CISA ADP Vulnrichment

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

References