{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-23518", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "datePublished": "2022-01-21T00:00:00", "dateUpdated": "2022-12-05T00:00:00", "dateReserved": "2021-01-08T00:00:00"}, "containers": {"cna": {"title": "Prototype Pollution", "datePublic": "2022-01-21T00:00:00", "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2022-12-05T00:00:00"}, "descriptions": [{"lang": "en", "value": "The package cached-path-relative before 1.1.0 are vulnerable to Prototype Pollution via the cache variable that is set as {} instead of Object.create(null) in the cachedPathRelative function, which allows access to the parent prototype properties when the object is used to create the cached relative path. When using the origin path as __proto__, the attribute of the object is accessed instead of a path. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-72573"}], "affected": [{"vendor": "n/a", "product": "cached-path-relative", "versions": [{"version": "unspecified", "lessThan": "1.1.0", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-2342653"}, {"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2348246"}, {"url": "https://github.com/ashaffer/cached-path-relative/commit/40c73bf70c58add5aec7d11e4f36b93d144bb760"}, {"name": "[debian-lts-announce] 20221204 [SECURITY] [DLA 3221-1] node-cached-path-relative security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00006.html"}], "credits": [{"lang": "en", "value": "P.Adithya Srinivas"}, {"lang": "en", "value": "Masudul Hasan Masud Bhuiyan"}, {"lang": "en", "value": "Cristian-Alexandru Staicu"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "baseScore": 7.3, "temporalScore": 6.9, "baseSeverity": "HIGH", "temporalSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Prototype Pollution"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cached-path-relative_project:cached-path-relative:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "C0BBFDD3-90FB-4CB6-B139-F33E8F1160F2", "versionEndExcluding": "1.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The package cached-path-relative before 1.1.0 are vulnerable to Prototype Pollution via the cache variable that is set as {} instead of Object.create(null) in the cachedPathRelative function, which allows access to the parent prototype properties when the object is used to create the cached relative path. When using the origin path as __proto__, the attribute of the object is accessed instead of a path. **Note:** This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-72573"}, {"lang": "es", "value": "El paquete cached-path-relative versiones anteriores a 1.1.0, es vulnerable a una Contaminaci\u00f3n de Prototipos por medio de la variable de cach\u00e9 que es establecida como {} en lugar de Object.create(null) en la funci\u00f3n cachedPathRelative, que permite el acceso a las propiedades del prototipo padre cuando el objeto es usado para crear la ruta relativa en cach\u00e9. Cuando es usada la ruta de origen como __proto__, es accedido al atributo del objeto en lugar de una ruta. **Nota:** Esta vulnerabilidad es derivada de una correcci\u00f3n incompleta en https://security.snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-72573"}], "id": "CVE-2021-23518", "lastModified": "2023-02-03T19:16:16.563", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "report@snyk.io", "type": "Secondary"}]}, "published": "2022-01-21T20:15:07.963", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ashaffer/cached-path-relative/commit/40c73bf70c58add5aec7d11e4f36b93d144bb760"}, {"source": "report@snyk.io", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00006.html"}, {"source": "report@snyk.io", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2348246"}, {"source": "report@snyk.io", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-CACHEDPATHRELATIVE-2342653"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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