CVE-2021-42147

Published: Jan 24, 2024Modified: May 30, 2025

9.1

Vector

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

Exploitability: 3.9 / Impact: 5.2

Source: NVD

Description

Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.

Affected (1)

Products: Contiki Ng: Tinydtls

Contiki Ng

1 product

Tinydtls

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Contiki Ng Tinydtls	Version 2018-08-30

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (3)

https://seclists.org/fulldisclosure/2024/Jan/20

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2024/Jan/20

Source: af854a3a-2127-422b-91ae-364da2661108

https://seclists.org/fulldisclosure/2024/Jan/20

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

Timeline

No history available yet.