7.5
CWE
755
Advisory Published
Updated

CVE-2021-42145

First published: Wed Jan 24 2024(Updated: )

An assertion failure discovered in in check_certificate_request() in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers to cause a denial of service.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Contiki-NG<=2018-08-30

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Frequently Asked Questions

  • What is the severity of CVE-2021-42145?

    CVE-2021-42145 has a severity rating that indicates it can lead to a denial of service during certificate requests.

  • How do I fix CVE-2021-42145?

    To fix CVE-2021-42145, update to a version of tinyDTLS released after August 30, 2018 that addresses the assertion failure.

  • What is the impact of CVE-2021-42145?

    The impact of CVE-2021-42145 is that it allows attackers to trigger an assertion failure, leading to a denial of service.

  • Which versions of tinyDTLS are affected by CVE-2021-42145?

    CVE-2021-42145 affects tinyDTLS versions up to and including the version released on August 30, 2018.

  • Who discovered CVE-2021-42145?

    CVE-2021-42145 was discovered during an examination of the check_certificate_request() function in the Contiki-NG tinyDTLS project.

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