{"containers": {"cna": {"affected": [{"product": "convict", "vendor": "n/a", "versions": [{"lessThan": "6.2.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Alessio Della Libera of Snyk Security Team"}], "datePublic": "2022-05-13T00:00:00", "descriptions": [{"lang": "en", "value": "This affects the package convict before 6.2.3. This is a bypass of [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). The [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880) introduced, relies on the startsWith method and does not prevent the vulnerability: before splitting the path, it checks if it starts with __proto__ or this.constructor.prototype. To bypass this check it's possible to prepend the dangerous paths with any string value followed by a dot, like for example foo.__proto__ or foo.this.constructor.prototype."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-05-13T20:00:38", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-CONVICT-2774757"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571"}, {"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75"}], "title": "Prototype Pollution", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2022-05-13T20:00:01.480583Z", "ID": "CVE-2022-21190", "STATE": "PUBLIC", "TITLE": "Prototype Pollution"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "convict", "version": {"version_data": [{"version_affected": "<", "version_value": "6.2.3"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "Alessio Della Libera of Snyk Security Team"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This affects the package convict before 6.2.3. This is a bypass of [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). The [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880) introduced, relies on the startsWith method and does not prevent the vulnerability: before splitting the path, it checks if it starts with __proto__ or this.constructor.prototype. To bypass this check it's possible to prepend the dangerous paths with any string value followed by a dot, like for example foo.__proto__ or foo.this.constructor.prototype."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-CONVICT-2774757", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-CONVICT-2774757"}, {"name": "https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571", "refsource": "MISC", "url": "https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571"}, {"name": "https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808", "refsource": "MISC", "url": "https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808"}, {"name": "https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07", "refsource": "MISC", "url": "https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07"}, {"name": "https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75", "refsource": "MISC", "url": "https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75"}]}}}}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2022-21190", "datePublished": "2022-05-13T00:00:00", "dateReserved": "2022-02-24T00:00:00", "dateUpdated": "2022-05-13T20:00:38", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:convict:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "255ADFF4-3826-4C4D-AD80-FA83F171E3C4", "versionEndExcluding": "6.2.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "This affects the package convict before 6.2.3. This is a bypass of [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). The [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880) introduced, relies on the startsWith method and does not prevent the vulnerability: before splitting the path, it checks if it starts with __proto__ or this.constructor.prototype. To bypass this check it's possible to prepend the dangerous paths with any string value followed by a dot, like for example foo.__proto__ or foo.this.constructor.prototype."}, {"lang": "es", "value": "Esto afecta al paquete convict versiones anteriores a 6.2.3. Esto es una omisi\u00f3n de [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). La [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880) introducida, esta basada en el m\u00e9todo startsWith y no impide la vulnerabilidad: antes de dividir la ruta, comprueba si comienza con __proto__ o this.constructor.prototype. Para impider esta comprobaci\u00f3n es posible anteponer a las rutas peligrosas cualquier valor de cadena seguido de un punto, como por ejemplo foo.__proto__ o foo.this.constructor.prototype"}], "id": "CVE-2022-21190", "lastModified": "2022-05-24T14:11:33.373", "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": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "report@snyk.io", "type": "Secondary"}]}, "published": "2022-05-13T20:15:08.013", "references": [{"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808"}, {"source": "report@snyk.io", "tags": ["Broken Link", "Patch", "Third Party Advisory"], "url": "https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571"}, {"source": "report@snyk.io", "tags": ["Broken Link", "Release Notes", "Tool Signature"], "url": "https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07"}, {"source": "report@snyk.io", "tags": ["Patch", "Tool Signature"], "url": "https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75"}, {"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-CONVICT-2774757"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}