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Contiki-NG tinyDTLS check_certificate_request() Denial Of Service

An issue was discovered in Contiki-NG tinyDTLS versions through 2018-08-30. An assertion failure in check_certificate_request() causes the server to exit unexpectedly, resulting in a denial of service.

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[Suggested description]An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. An assertion failure in check_certificate_request() causes the server to exit unexpectedly (a denial of service).[VulnerabilityType Other]Improper Handling of exception conditions[Vendor of Product]https://github.com/contiki-ng/tinydtls[Affected Product Code Base]contiki-ng tinydtls - master branch 53a0d97[Affected Component]the service of dtls servers[Attack Type]Remote[Impact Code execution]true[Impact Denial of Service]true[Impact Information Disclosure]true[Reference]https://github.com/contiki-ng/tinydtls/issues/26[Discoverer]jerrytesting[CVE Reference]The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2021-42145 to this vulnerability.

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