CVE-2018-19945

{"containers": {"cna": {"affected": [{"platforms": ["build 20190328"], "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "4.3.6.0895", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"platforms": ["build 20190322"], "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "4.3.4.0899", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"status": "unaffected", "version": "4.5.x"}, {"status": "unaffected", "version": "4.4.x"}]}], "credits": [{"lang": "en", "value": "Independent Security Evaluators"}], "datePublic": "2020-12-30T00:00:00.000Z", "descriptions": [{"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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-73", "description": "CWE-73 External Control of File Name or Path", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-12-31T16:33:27.000Z", "orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"}], "solutions": [{"lang": "en", "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"}, "title": "Improper Limitation of a Pathname to a Restricted Directory in QTS", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"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": "<", "version_value": "4.3.6.0895"}, {"platform": "build 20190322", "version_affected": "<", "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": {"description_data": [{"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 ('Path Traversal')"}]}, {"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": "en", "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"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T11:51:17.544Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"}]}]}, "cveMetadata": {"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "assignerShortName": "qnap", "cveId": "CVE-2018-19945", "datePublished": "2020-12-31T16:33:27.917Z", "dateReserved": "2018-12-07T00:00:00.000Z", "dateUpdated": "2024-09-17T02:01:35.778Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"platforms": ["build 20190328"], "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "4.3.6.0895", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"platforms": ["build 20190322"], "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "4.3.4.0899", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"status": "unaffected", "version": "4.5.x"}, {"status": "unaffected", "version": "4.4.x"}]}], "source": "security@qnapsecurity.com.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E35BB2A-1E3B-4D5C-B6E0-357D430D0C68", "versionEndExcluding": "4.3.4.0899", "versionStartIncluding": "4.3.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "matchCriteriaId": "4D099A53-6729-43B2-B762-873BCDC0C354", "versionEndExcluding": "4.3.6.0895", "versionStartIncluding": "4.3.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"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."}, {"lang": "es", "value": "Se ha reportado de una vulnerabilidad que afecta a los dispositivos QNAP anteriores que ejecutan QTS versi\u00f3n 4.3.4 a la 4.3.6.&#xa0;Causada por limitaciones inapropiadas de un nombre de ruta en un directorio restringido, esta vulnerabilidad permite cambiar el nombre de archivos arbitrarios en el sistema de destino, si se explota.&#xa0;QNAP ya ha corregido esta vulnerabilidad en las siguientes versiones: QTS versi\u00f3n 4.3.6.0895 build 20190328 (y posterior) QTS versi\u00f3n 4.3.4.0899 build 20190322 (y posterior) Este problema no afecta a QTS versi\u00f3n 4.4.x o QTS versi\u00f3n 4.5.x."}], "id": "CVE-2018-19945", "lastModified": "2026-06-17T01:50:09.690", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-31T17:15:12.510", "references": [{"source": "security@qnapsecurity.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-21"}], "sourceIdentifier": "security@qnapsecurity.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-73"}, {"lang": "en", "value": "CWE-284"}], "source": "security@qnapsecurity.com.tw", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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