{"containers": {"cna": {"affected": [{"product": "yarn", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in 1.19.0"}]}], "descriptions": [{"lang": "en", "value": "The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-840", "description": "Business Logic Errors (CWE-840)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-03-21T00:21:41", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/703138"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2019-15608", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "yarn", "version": {"version_data": [{"version_value": "Fixed in 1.19.0"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Business Logic Errors (CWE-840)"}]}]}, "references": {"reference_data": [{"name": "https://hackerone.com/reports/703138", "refsource": "MISC", "url": "https://hackerone.com/reports/703138"}, {"name": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c", "refsource": "MISC", "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"}, {"name": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190", "refsource": "MISC", "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T00:49:13.783Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/703138"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2019-15608", "datePublished": "2020-03-15T17:08:13", "dateReserved": "2019-08-26T00:00:00", "dateUpdated": "2024-08-05T00:49:13.783Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*", "matchCriteriaId": "4DDD3216-66F9-4D89-8F92-4EA44E02529F", "versionEndExcluding": "1.19.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack."}, {"lang": "es", "value": "La comprobaci\u00f3n de integridad del paquete en yarn versiones anteriores a 1.19.0, contiene una vulnerabilidad TOCTOU donde se calcula el hash antes de escribir un paquete en cach\u00e9. No se vuelve a calcular cuando se lee desde la cach\u00e9. Esto puede conllevar a un ataque de contaminaci\u00f3n de cach\u00e9."}], "id": "CVE-2019-15608", "lastModified": "2024-11-21T04:29:07.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-15T18:15:11.177", "references": [{"source": "support@hackerone.com", "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"}, {"source": "support@hackerone.com", "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://hackerone.com/reports/703138"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://hackerone.com/reports/703138"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-840"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "yarn: TOCTOU vulnerability leads to cache pollution", "id": "1851875", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1851875"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-367", "details": ["The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack.", "A flaw was found in Yarn. The package integrity validation in Yarn contains a time-of-check to time-of-use (TOCTOU) vulnerability where the hash is computed before writing a package to cache and is not computed again when reading from the cache. This flaw may lead to a cache pollution attack. The highest threat from this vulnerability is to integrity."], "mitigation": {"lang": "en:us", "value": "Run 'yarn cache clean' before installs."}, "name": "CVE-2019-15608", "package_state": [{"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "yarn", "product_name": "Red Hat Quay 3"}], "public_date": "2020-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-15608\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-15608"], "threat_severity": "Moderate"}

{}