CVE-2021-42144

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Published 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().

Affected Software

1 affected component

Contiki-NG Contiki-NG tinyDTLS<=2018-08-30

Event History

Jan 24, 2024

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Data Sourced

via NVD·06:15 PM

DescriptionSeverityWeaknessAffected Software

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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Contact

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