CVE-2021-42147

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Published: 24/01/2024 Updated: 01/02/2024

CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9

VMScore: 0

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

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contiki-ng tinydtls 2018-08-30

[Suggested description] An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30 A buffer over-read exists in the dtls_sha256_update function This bug allows remote attackers to cause a denial of service (crash) and possibly read sensitive information by sending a malformed packet with an over-large fragment length field, due to server ...

CWE-125 https://seclists.org/fulldisclosure/2024/Jan/20 https://nvd.nist.gov https://seclists.org/fulldisclosure/2024/Jan/20

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CVE-2021-42147

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