CVE-2021-42141

CRITICAL

9.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/22/2024

Ultima modificacao6/20/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

contiki-ng:tinydtls

Fraquezas (CWE)

CWE-755CWE-755

Referencias

http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html(cve@mitre.org)

https://github.com/contiki-ng/tinydtls/issues/27(cve@mitre.org)

https://seclists.org/fulldisclosure/2024/Jan/14(cve@mitre.org)

http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2024/Jan/14(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/contiki-ng/tinydtls/issues/27(af854a3a-2127-422b-91ae-364da2661108)

https://seclists.org/fulldisclosure/2024/Jan/14(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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