CVE-2022-43501

Summary

KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.

Affected Software

VendorProductVersion RangeStatus
ZUKEN ElmicKasago IPv6/v4 Dualprior to Ver6.0.1.34affected
ZUKEN ElmicKasago IPv4prior to Ver6.0.1.34affected
ZUKEN ElmicKasago IPv4 Lightprior to Ver6.0.1.34affected
ZUKEN ElmicKasago mobile IPv6prior to Ver6.0.1.34affected

Weaknesses

  • CWE-330: CWE-330: Use of Insufficiently Random Values

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References