GSD-2018-19945

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.
Aliases
Aliases
CVE-2018-19945
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{
  "GSD": {
    "alias": "CVE-2018-19945",
    "description": "A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.",
    "id": "GSD-2018-19945"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-19945"
      ],
      "details": "A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.",
      "id": "GSD-2018-19945",
      "modified": "2023-12-13T01:22:39.425309Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@qnap.com",
        "DATE_PUBLIC": "2020-12-30T02:55:00.000Z",
        "ID": "CVE-2018-19945",
        "STATE": "PUBLIC",
        "TITLE": "Improper Limitation of a Pathname to a Restricted Directory in QTS"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "QTS",
                    "version": {
                      "version_data": [
                        {
                          "platform": "build 20190328",
                          "version_affected": "\u003c",
                          "version_value": "4.3.6.0895"
                        },
                        {
                          "platform": "build 20190322",
                          "version_affected": "\u003c",
                          "version_value": "4.3.4.0899"
                        },
                        {
                          "version_affected": "!",
                          "version_value": "4.5.x"
                        },
                        {
                          "version_affected": "!",
                          "version_value": "4.4.x"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "QNAP Systems Inc."
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Independent Security Evaluators"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          {
            "lang": "eng",
            "value": "A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-20 Improper Input Validation"
              }
            ]
          },
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
              }
            ]
          },
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-73 External Control of File Name or Path"
              }
            ]
          },
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-284 Improper Access Control"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21",
            "refsource": "MISC",
            "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "QNAP have already fixed this vulnerability in the following versions:\n\nQTS 4.3.6.0895 build 20190328 (and later)\nQTS 4.3.4.0899 build 20190322 (and later)\nThis issue does not affect QTS 4.4.x or QTS 4.5.x."
        }
      ],
      "source": {
        "advisory": "QSA-20-21",
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.3.4.0899",
                "versionStartIncluding": "4.3.4",
                "vulnerable": true
              },
              {
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                "cpe_name": [],
                "versionEndExcluding": "4.3.6.0895",
                "versionStartIncluding": "4.3.5",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@qnap.com",
          "ID": "CVE-2018-19945"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 8.5,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 7.8,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "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:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-01-06T21:19Z",
      "publishedDate": "2020-12-31T17:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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