CVE-2018-19945
Vulnerability from cvelistv5
Published
2020-12-31 16:33
Modified
2024-09-17 02:01
Severity ?
EPSS score ?
Summary
Improper Limitation of a Pathname to a Restricted Directory in QTS
References
Impacted products
Vendor | Product | Version | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
▼ | QNAP Systems Inc. | QTS |
Version: unspecified < 4.3.6.0895 |
||||||||
|
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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 (\u0027Path Traversal\u0027)", "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", "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": "\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": { "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 (\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": "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" } } } }, "cveMetadata": { "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "assignerShortName": "qnap", "cveId": "CVE-2018-19945", "datePublished": "2020-12-31T16:33:27.917070Z", "dateReserved": "2018-12-07T00:00:00", "dateUpdated": "2024-09-17T02:01:35.778Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2018-19945\",\"sourceIdentifier\":\"security@qnapsecurity.com.tw\",\"published\":\"2020-12-31T17:15:12.510\",\"lastModified\":\"2024-11-21T03:58:51.720\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. 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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.\u0026#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.\u0026#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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"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:N/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:C\",\"baseScore\":8.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":7.8,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"},{\"lang\":\"en\",\"value\":\"CWE-22\"},{\"lang\":\"en\",\"value\":\"CWE-73\"},{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.4\",\"versionEndExcluding\":\"4.3.4.0899\",\"matchCriteriaId\":\"4E35BB2A-1E3B-4D5C-B6E0-357D430D0C68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.5\",\"versionEndExcluding\":\"4.3.6.0895\",\"matchCriteriaId\":\"4D099A53-6729-43B2-B762-873BCDC0C354\"}]}]}],\"references\":[{\"url\":\"https://www.qnap.com/zh-tw/security-advisory/qsa-20-21\",\"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\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.