CVE-2023-22411

Summary

An Out-of-Bounds Write vulnerability in Flow Processing Daemon (flowd) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On SRX Series devices using Unified Policies with IPv6, when a specific IPv6 packet goes through a dynamic-application filter which will generate an ICMP deny message, the flowd core is observed and the PFE is restarted. This issue affects: Juniper Networks Junos OS on SRX Series: 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3-S3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OS19.2 < 19.2R3-S6affected
Juniper NetworksJunos OS19.3 < 19.3R3-S6affected
Juniper NetworksJunos OS19.4 < 19.4R3-S9affected
Juniper NetworksJunos OS20.2 < 20.2R3-S5affected
Juniper NetworksJunos OS20.3 < 20.3R3-S4affected
Juniper NetworksJunos OS20.4 < 20.4R3-S3affected
Juniper NetworksJunos OS21.1 < 21.1R3affected
Juniper NetworksJunos OS21.2 < 21.2R3affected
Juniper NetworksJunos OS21.3 < 21.3R2affected
Juniper NetworksJunos OS21.4 < 21.4R2affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds Write
  • Denial of Service (DoS)

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References