GSD-2020-3924

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-3924",
    "description": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.",
    "id": "GSD-2020-3924"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-3924"
      ],
      "details": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.",
      "id": "GSD-2020-3924",
      "modified": "2023-12-13T01:22:09.366892Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "AKA": "TWCERT/CC",
        "ASSIGNER": "cve@cert.org.tw",
        "DATE_PUBLIC": "2020-02-21T08:00:00.000Z",
        "ID": "CVE-2020-3924",
        "STATE": "PUBLIC",
        "TITLE": "TONNET DVR \u2013 Firmware Injection"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "DVR",
                    "version": {
                      "version_data": [
                        {
                          "platform": "TAT-76 series",
                          "version_affected": "\u003c=",
                          "version_name": "0",
                          "version_value": "20191216"
                        },
                        {
                          "platform": "TAT-77 series",
                          "version_affected": "\u003c=",
                          "version_name": "0",
                          "version_value": "20200213"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "TONNET"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Firmware Injection"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf",
            "refsource": "MISC",
            "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"
          },
          {
            "name": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004",
            "refsource": "MISC",
            "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Update to ver. 20191216 in TAT-76 series\nUpdate to ver. 20200213 in TAT-77 series"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
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          "ID": "CVE-2020-3924"
        },
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        "data_type": "CVE",
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        "description": {
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              "lang": "en",
              "value": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-77"
                }
              ]
            }
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        },
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            {
              "name": "N/A",
              "refsource": "CONFIRM",
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            },
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            }
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      },
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          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
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          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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          "userInteractionRequired": false
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            "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",
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          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-07-21T11:39Z",
      "publishedDate": "2020-02-27T04:15Z"
    }
  }
}



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