CVE-2021-34346 (GCVE-0-2021-34346)
Vulnerability from cvelistv5
Published
2021-09-10 04:00
Modified
2024-09-16 20:17
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later
References
Impacted products
Vendor Product Version
QNAP Systems Inc. NVR Storage Expansion Version: unspecified   < 1.0.6 ( 2021/08/03 )
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:05:52.588Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.qnap.com/en/security-advisory/qsa-21-36"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "NVR Storage Expansion",
          "vendor": "QNAP Systems Inc.",
          "versions": [
            {
              "lessThan": "1.0.6 ( 2021/08/03 )",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "crixer"
        }
      ],
      "datePublic": "2021-09-10T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "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",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-10T04:00:27",
        "orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
        "shortName": "qnap"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.qnap.com/en/security-advisory/qsa-21-36"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "We have already fixed this vulnerability in the following versions of NVR Storage Expansion:\nNVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later"
        }
      ],
      "source": {
        "advisory": "QSA-21-36",
        "discovery": "EXTERNAL"
      },
      "title": "Stack Based Overflow Vulnerability in NVR Storage Expansion",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@qnap.com",
          "DATE_PUBLIC": "2021-09-10T09:35:00.000Z",
          "ID": "CVE-2021-34346",
          "STATE": "PUBLIC",
          "TITLE": "Stack Based Overflow Vulnerability in NVR Storage Expansion"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "NVR Storage Expansion",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.0.6 ( 2021/08/03 )"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "QNAP Systems Inc."
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "crixer"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later"
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "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",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-787 Out-of-bounds Write"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.qnap.com/en/security-advisory/qsa-21-36",
              "refsource": "MISC",
              "url": "https://www.qnap.com/en/security-advisory/qsa-21-36"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "We have already fixed this vulnerability in the following versions of NVR Storage Expansion:\nNVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later"
          }
        ],
        "source": {
          "advisory": "QSA-21-36",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
    "assignerShortName": "qnap",
    "cveId": "CVE-2021-34346",
    "datePublished": "2021-09-10T04:00:27.734577Z",
    "dateReserved": "2021-06-08T00:00:00",
    "dateUpdated": "2024-09-16T20:17:13.055Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-34346\",\"sourceIdentifier\":\"security@qnapsecurity.com.tw\",\"published\":\"2021-09-10T04:15:18.883\",\"lastModified\":\"2024-11-21T06:10:12.817\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later\"},{\"lang\":\"es\",\"value\":\"Se ha reportado de una vulnerabilidad de desbordamiento del b\u00fafer de la pila que afecta al dispositivo QNAP que ejecuta NVR Storage Expansion. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar c\u00f3digo arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de NVR Storage Expansion: NVR Storage Expansion 1.0.6 (03/08/2021) y posteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"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:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:nvr_storage_expansion_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.6\",\"matchCriteriaId\":\"6B433B20-99A4-413F-9439-8DBC470F5CCD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:qnap:nvr_storage_expansion:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FDF2C1BA-00DA-4F5C-BD22-6FEAADC95906\"}]}]}],\"references\":[{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-21-36\",\"source\":\"security@qnapsecurity.com.tw\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-21-36\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.