CWE
125
Advisory Published
Updated

CVE-2021-42144

First published: Wed Jan 24 2024(Updated: )

Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().

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-2021-42144?

    CVE-2021-42144 is classified as a medium severity vulnerability due to the potential for sensitive information exposure.

  • How do I fix CVE-2021-42144?

    To fix CVE-2021-42144, update to a version of Contiki-NG tinyDTLS that has addressed this buffer over-read vulnerability.

  • What types of systems are affected by CVE-2021-42144?

    CVE-2021-42144 affects systems running Contiki-NG tinyDTLS versions up to and including 2018-08-30.

  • Can CVE-2021-42144 be exploited remotely?

    Yes, CVE-2021-42144 can be exploited remotely by attackers who send crafted input to trigger the buffer over-read.

  • What are the potential impacts of CVE-2021-42144?

    The potential impacts of CVE-2021-42144 include unauthorized access to sensitive information processed by vulnerable instances of tinyDTLS.

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