GSD-2020-5956

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-5956",
    "description": "An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.",
    "id": "GSD-2020-5956"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-5956"
      ],
      "details": "An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.",
      "id": "GSD-2020-5956",
      "modified": "2023-12-13T01:22:03.422394Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-5956",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer."
          }
        ]
      },
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          {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
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        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.insyde.com/security-pledge",
            "refsource": "MISC",
            "url": "https://www.insyde.com/security-pledge"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20220223-0001/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20220223-0001/"
          }
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    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.25.11",
                "versionStartIncluding": "5.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "05.15.11",
                "versionStartIncluding": "5.1",
                "vulnerable": true
              }
            ],
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          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "05.34.11",
                "versionStartIncluding": "5.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "05.42.11",
                "versionStartIncluding": "5.4",
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              }
            ],
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          }
        ]
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-269"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.insyde.com/security-pledge",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.insyde.com/security-pledge"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20220223-0001/",
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                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20220223-0001/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-04-12T18:16Z",
      "publishedDate": "2022-01-05T23:15Z"
    }
  }
}


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