CVE-2021-42141

Summary

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://seclists.org/fulldisclosure/2024/Jan/14
• https://github.com/contiki-ng/tinydtls/issues/27
• http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html
• https://seclists.org/fulldisclosure/2024/Jan/14

CISA ADP Vulnrichment

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

References

• https://github.com/contiki-ng/tinydtls/issues/27
• http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html
• https://seclists.org/fulldisclosure/2024/Jan/14

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