{
  "id": "CVE-2021-42782",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-04-18T17:15:16.380",
  "lastModified": "2023-06-21T02:15:09.443",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library."
    },
    {
      "lang": "es",
      "value": "Se han encontrado problemas de desbordamiento del buffer de pila en Opensc versiones anteriores a 0.22.0, en varios lugares que podr\u00edan bloquear los programas usando la biblioteca"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "0.22.0",
              "matchCriteriaId": "B75A7FDD-CA09-46EF-8FAC-11732898B84B"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2016448",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/1252aca9",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/456ac566",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/7114fb71",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/78cdab94",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/ae1cf0be",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/202209-03",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}