{ "containers": { "cna": { "affected": [ { "product": "symfony", "vendor": "symfony", "versions": [ { "status": "affected", "version": ">= 5.2.0, < 5.3.12" } ] } ], "descriptions": [ { "lang": "en", "value": "Symfony/Http-Kernel is the HTTP kernel component for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. Headers that are not part of the \"trusted_headers\" allowed list are ignored and protect users from \"Cache poisoning\" attacks. In Symfony 5.2, maintainers added support for the `X-Forwarded-Prefix` headers, but this header was accessible in SubRequest, even if it was not part of the \"trusted_headers\" allowed list. An attacker could leverage this opportunity to forge requests containing a `X-Forwarded-Prefix` header, leading to a web cache poisoning issue. Versions 5.3.12 and later have a patch to ensure that the `X-Forwarded-Prefix` header is not forwarded to subrequests when it is not trusted." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-444", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-11-24T18:55:17.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/symfony/symfony/pull/44243" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/symfony/symfony/releases/tag/v5.3.12" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-q3j3-w37x-hq2q" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/symfony/symfony/commit/95dcf51682029e89450aee86267e3d553aa7c487" } ], "source": { "advisory": "GHSA-q3j3-w37x-hq2q", "discovery": "UNKNOWN" }, "title": "Webcache Poisoning in Symfony", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41267", "STATE": "PUBLIC", "TITLE": "Webcache Poisoning in Symfony" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "symfony", "version": { "version_data": [ { "version_value": ">= 5.2.0, < 5.3.12" } ] } } ] }, "vendor_name": "symfony" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Symfony/Http-Kernel is the HTTP kernel component for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. 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Versions 5.3.12 and later have a patch to ensure that the `X-Forwarded-Prefix` header is not forwarded to subrequests when it is not trusted." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/symfony/symfony/pull/44243", "refsource": "MISC", "url": "https://github.com/symfony/symfony/pull/44243" }, { "name": "https://github.com/symfony/symfony/releases/tag/v5.3.12", "refsource": "MISC", "url": "https://github.com/symfony/symfony/releases/tag/v5.3.12" }, { "name": "https://github.com/symfony/symfony/security/advisories/GHSA-q3j3-w37x-hq2q", "refsource": "CONFIRM", "url": "https://github.com/symfony/symfony/security/advisories/GHSA-q3j3-w37x-hq2q" }, { "name": "https://github.com/symfony/symfony/commit/95dcf51682029e89450aee86267e3d553aa7c487", "refsource": "MISC", "url": "https://github.com/symfony/symfony/commit/95dcf51682029e89450aee86267e3d553aa7c487" } ] }, "source": { "advisory": "GHSA-q3j3-w37x-hq2q", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:08:31.656Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/symfony/symfony/pull/44243" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/symfony/symfony/releases/tag/v5.3.12" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-q3j3-w37x-hq2q" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/symfony/symfony/commit/95dcf51682029e89450aee86267e3d553aa7c487" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-41267", "datePublished": "2021-11-24T18:55:17.000Z", "dateReserved": "2021-09-15T00:00:00.000Z", "dateUpdated": "2024-08-04T03:08:31.656Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }