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9.1
CVSSv3

CVE-2021-42147

Published: 24/01/2024 Updated: 01/02/2024
CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

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

Mailing Lists

Full Disclosure: Buffer over-read in dtls_sha256_update of TinyDTLS
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> Buffer over-read in dtls_sha256_update of TinyDTLS <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Meng R ...

References

CWE-125https://seclists.org/fulldisclosure/2024/Jan/20https://nvd.nist.govhttps://seclists.org/fulldisclosure/2024/Jan/20
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
cross-site scriptingCVE-2024-5158XML external entityCVE-2024-4262CVE-2024-2036CVE-2024-4985CVE-2024-21791remote attackersCVE-2023-43208
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