FKIE_CVE-2021-38479

Vulnerability from fkie_nvd - Published: 2021-10-22 12:15 - Updated: 2024-11-21 06:17
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.
References
ics-cert@hq.dhs.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-292-01Patch, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01Patch, Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
auvesy versiondog *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:auvesy:versiondog:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FE7528C6-8C4F-49D1-8591-BB54D2D6833C",
              "versionEndExcluding": "8.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer."
    },
    {
      "lang": "es",
      "value": "Varios c\u00f3digos de funciones de la API reciben punteros sin procesar de forma remota desde el usuario y conf\u00edan en estos punteros como regiones de memoria vinculadas v\u00e1lidas. Un atacante puede manipular las funciones de la API escribiendo datos arbitrarios en la direcci\u00f3n resuelta de un puntero sin procesar"
    }
  ],
  "id": "CVE-2021-38479",
  "lastModified": "2024-11-21T06:17:12.257",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-22T12:15:08.947",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.