All the vulnerabilites related to tiangolo - fastapi
cve-2024-24762
Vulnerability from cvelistv5
Published
2024-02-05 14:33
Modified
2024-08-01 23:28
Severity ?
EPSS score ?
Summary
python-multipart vulnerable to content-type header Regular expression Denial of Service
References
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When using form data, `python-multipart` uses a Regular Expression to parse the HTTP `Content-Type` header, including options. An attacker could send a custom-made `Content-Type` option that is very difficult for the RegEx to process, consuming CPU resources and stalling indefinitely (minutes or more) while holding the main event loop. This means that process can\u0027t handle any more requests, leading to regular expression denial of service. This vulnerability has been patched in version 0.0.7." } ], "value": "`python-multipart` is a streaming multipart parser for Python. When using form data, `python-multipart` uses a Regular Expression to parse the HTTP `Content-Type` header, including options. An attacker could send a custom-made `Content-Type` option that is very difficult for the RegEx to process, consuming CPU resources and stalling indefinitely (minutes or more) while holding the main event loop. This means that process can\u0027t handle any more requests, leading to regular expression denial of service. This vulnerability has been patched in version 0.0.7." } ], "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" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-02-17T01:54:29.017Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/Kludex/python-multipart/security/advisories/GHSA-2jv5-9r88-3w3p", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/Kludex/python-multipart/security/advisories/GHSA-2jv5-9r88-3w3p" }, { "name": "https://github.com/Kludex/python-multipart/commit/20f0ef6b4e4caf7d69a667c54dff57fe467109a4", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/Kludex/python-multipart/commit/20f0ef6b4e4caf7d69a667c54dff57fe467109a4" }, { "name": "https://github.com/tiangolo/fastapi/security/advisories/GHSA-qf9m-vfgh-m389", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tiangolo/fastapi/security/advisories/GHSA-qf9m-vfgh-m389" }, { "name": "https://github.com/encode/starlette/security/advisories/GHSA-93gm-qmq6-w238", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/encode/starlette/security/advisories/GHSA-93gm-qmq6-w238" }, { "name": "https://github.com/andrew-d/python-multipart/blob/d3d16dae4b061c34fe9d3c9081d9800c49fc1f7a/multipart/multipart.py#L72-L74", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/andrew-d/python-multipart/blob/d3d16dae4b061c34fe9d3c9081d9800c49fc1f7a/multipart/multipart.py#L72-L74" }, { "name": "https://github.com/encode/starlette/commit/13e5c26a27f4903924624736abd6131b2da80cc5", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/encode/starlette/commit/13e5c26a27f4903924624736abd6131b2da80cc5" }, { "name": "https://github.com/tiangolo/fastapi/commit/9d34ad0ee8a0dfbbcce06f76c2d5d851085024fc", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tiangolo/fastapi/commit/9d34ad0ee8a0dfbbcce06f76c2d5d851085024fc" }, { "name": "https://github.com/tiangolo/fastapi/releases/tag/0.109.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tiangolo/fastapi/releases/tag/0.109.1" } ], "source": { "advisory": "GHSA-2jv5-9r88-3w3p", "discovery": "UNKNOWN" }, "title": "python-multipart vulnerable to content-type header Regular expression Denial of Service", "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2024-24762", "datePublished": "2024-02-05T14:33:06.481Z", "dateReserved": "2024-01-29T20:51:26.011Z", "dateUpdated": "2024-08-01T23:28:11.928Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
cve-2021-32677
Vulnerability from cvelistv5
Published
2021-06-09 17:30
Modified
2024-08-03 23:25
Severity ?
EPSS score ?
Summary
Cross-Site Request Forgery (CSRF) in FastAPI
References
▼ | URL | Tags |
---|---|---|
https://github.com/tiangolo/fastapi/security/advisories/GHSA-8h2j-cgx8-6xv7 | x_refsource_CONFIRM | |
https://github.com/tiangolo/fastapi/commit/fa7e3c996edf2d5482fff8f9d890ac2390dede4d | x_refsource_MISC | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MATAWX25TYKNEKLDMKWNLYDB34UWTROA/ | vendor-advisory, x_refsource_FEDORA |
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FastAPI versions lower than 0.65.2 that used cookies for authentication in path operations that received JSON payloads sent by browsers were vulnerable to a Cross-Site Request Forgery (CSRF) attack. In versions lower than 0.65.2, FastAPI would try to read the request payload as JSON even if the content-type header sent was not set to application/json or a compatible JSON media type (e.g. application/geo+json). A request with a content type of text/plain containing JSON data would be accepted and the JSON data would be extracted. Requests with content type text/plain are exempt from CORS preflights, for being considered Simple requests. The browser will execute them right away including cookies, and the text content could be a JSON string that would be parsed and accepted by the FastAPI application. This is fixed in FastAPI 0.65.2. The request data is now parsed as JSON only if the content-type header is application/json or another JSON compatible media type like application/geo+json. It\u0027s best to upgrade to the latest FastAPI, but if updating is not possible then a middleware or a dependency that checks the content-type header and aborts the request if it is not application/json or another JSON compatible content type can act as a mitigating workaround." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-18T02:06:14", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/tiangolo/fastapi/security/advisories/GHSA-8h2j-cgx8-6xv7" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tiangolo/fastapi/commit/fa7e3c996edf2d5482fff8f9d890ac2390dede4d" }, { "name": "FEDORA-2021-917e89c036", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MATAWX25TYKNEKLDMKWNLYDB34UWTROA/" } ], "source": { "advisory": "GHSA-8h2j-cgx8-6xv7", "discovery": "UNKNOWN" }, "title": "Cross-Site Request Forgery (CSRF) in FastAPI", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-32677", "STATE": "PUBLIC", "TITLE": "Cross-Site Request Forgery (CSRF) in FastAPI" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "fastapi", "version": { "version_data": [ { "version_value": "\u003c 0.65.2" } ] } } ] }, "vendor_name": "tiangolo" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "FastAPI is a web framework for building APIs with Python 3.6+ based on standard Python type hints. FastAPI versions lower than 0.65.2 that used cookies for authentication in path operations that received JSON payloads sent by browsers were vulnerable to a Cross-Site Request Forgery (CSRF) attack. In versions lower than 0.65.2, FastAPI would try to read the request payload as JSON even if the content-type header sent was not set to application/json or a compatible JSON media type (e.g. application/geo+json). A request with a content type of text/plain containing JSON data would be accepted and the JSON data would be extracted. Requests with content type text/plain are exempt from CORS preflights, for being considered Simple requests. The browser will execute them right away including cookies, and the text content could be a JSON string that would be parsed and accepted by the FastAPI application. This is fixed in FastAPI 0.65.2. The request data is now parsed as JSON only if the content-type header is application/json or another JSON compatible media type like application/geo+json. It\u0027s best to upgrade to the latest FastAPI, but if updating is not possible then a middleware or a dependency that checks the content-type header and aborts the request if it is not application/json or another JSON compatible content type can act as a mitigating workaround." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-352: Cross-Site Request Forgery (CSRF)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/tiangolo/fastapi/security/advisories/GHSA-8h2j-cgx8-6xv7", "refsource": "CONFIRM", "url": "https://github.com/tiangolo/fastapi/security/advisories/GHSA-8h2j-cgx8-6xv7" }, { "name": "https://github.com/tiangolo/fastapi/commit/fa7e3c996edf2d5482fff8f9d890ac2390dede4d", "refsource": "MISC", "url": "https://github.com/tiangolo/fastapi/commit/fa7e3c996edf2d5482fff8f9d890ac2390dede4d" }, { "name": "FEDORA-2021-917e89c036", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MATAWX25TYKNEKLDMKWNLYDB34UWTROA/" } ] }, "source": { "advisory": "GHSA-8h2j-cgx8-6xv7", "discovery": "UNKNOWN" } } } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-32677", "datePublished": "2021-06-09T17:30:12", "dateReserved": "2021-05-12T00:00:00", "dateUpdated": "2024-08-03T23:25:31.094Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }