GSD-2021-42144

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
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().
Aliases
Aliases
CVE-2021-42144
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-42144",
    "id": "GSD-2021-42144"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-42144"
      ],
      "details": "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().",
      "id": "GSD-2021-42144",
      "modified": "2023-12-13T01:23:06.653954Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-42144",
        "STATE": "PUBLIC"
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      "affects": {
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                    "version": {
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                          "version_value": "n/a"
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          }
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      "problemtype": {
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                "value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://seclists.org/fulldisclosure/2024/Jan/17",
            "refsource": "MISC",
            "url": "https://seclists.org/fulldisclosure/2024/Jan/17"
          }
        ]
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    },
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                "cpeMatch": [
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                    "criteria": "cpe:2.3:o:contiki-ng:contiki-ng_tinydtls:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "81B489DE-BE80-4481-9DAF-3985C954527E",
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        "descriptions": [
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            "lang": "en",
            "value": "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()."
          },
          {
            "lang": "es",
            "value": "Vulnerabilidad de lectura excesiva del b\u00fafer en Contiki-NG tinyDTLS a trav\u00e9s de la rama maestra 53a0d97 permite a los atacantes obtener informaci\u00f3n confidencial a trav\u00e9s de entradas manipuladas en dtls_ccm_decrypt_message()."
          }
        ],
        "id": "CVE-2021-42144",
        "lastModified": "2024-01-31T20:27:20.740",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
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              "impactScore": 5.9,
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        "published": "2024-01-24T18:15:08.150",
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        "vulnStatus": "Analyzed",
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    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.