CVE-2021-42142

Summary

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://seclists.org/fulldisclosure/2024/Jan/15
• https://github.com/contiki-ng/tinydtls/issues/24
• https://seclists.org/fulldisclosure/2024/Jan/15

CISA ADP Vulnrichment

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

References

• https://github.com/contiki-ng/tinydtls/issues/24
• https://seclists.org/fulldisclosure/2024/Jan/15

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