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Prior to version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the `twisted.web.http` module, parsed several HTTP request constructs more leniently than permitted by RFC 7230. This non-conformant parsing can lead to desync if requests pass through multiple HTTP parsers, potentially resulting in HTTP request smuggling. Users who may be affected use Twisted Web's HTTP 1.1 server and/or proxy and also pass requests through a different HTTP server and/or proxy. The Twisted Web client is not affected. The HTTP 2.0 server uses a different parser, so it is not affected. The issue has been addressed in Twisted 22.4.0rc1. 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Se presentan dos medidas de mitigaci\u00f3n disponibles: Asegurarse de que ha sido abordada cualquier vulnerabilidad en los proxies de subida, por ejemplo, actualiz\u00e1ndolos; o filtrar las peticiones malformadas por otros medios, como la configuraci\u00f3n de un proxy de subida"}], "id": "CVE-2022-24801", "lastModified": "2024-11-25T18:12:24.673", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-04-04T18:15:07.933", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/twisted/twisted/commit/592217e951363d60e9cd99c5bbfd23d4615043ac"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/twisted/twisted/releases/tag/twisted-22.4.0rc1"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/twisted/twisted/security/advisories/GHSA-c2jg-hw38-jrqq"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00003.html"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/twisted/twisted/commit/592217e951363d60e9cd99c5bbfd23d4615043ac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/twisted/twisted/releases/tag/twisted-22.4.0rc1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/twisted/twisted/security/advisories/GHSA-c2jg-hw38-jrqq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-444"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2022:4930", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "python-twisted-web-0:12.1.0-8.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-06-07T00:00:00Z"}, {"advisory": "RHSA-2022:1646", "cpe": "cpe:/a:redhat:openstack:16.1::el8", "package": "python-twisted-0:16.4.1-20.el8ost", "product_name": "Red Hat OpenStack Platform 16.1", "release_date": "2022-04-29T00:00:00Z"}, {"advisory": "RHSA-2022:1645", "cpe": "cpe:/a:redhat:openstack:16.2::el8", "package": "python-twisted-0:16.4.1-20.el8ost", "product_name": "Red Hat OpenStack Platform 16.2", "release_date": "2022-04-29T00:00:00Z"}], "bugzilla": {"description": "python-twisted: possible http request smuggling", "id": "2073114", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073114"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-444", "details": ["Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the `twisted.web.http` module, parsed several HTTP request constructs more leniently than permitted by RFC 7230. This non-conformant parsing can lead to desync if requests pass through multiple HTTP parsers, potentially resulting in HTTP request smuggling. Users who may be affected use Twisted Web's HTTP 1.1 server and/or proxy and also pass requests through a different HTTP server and/or proxy. The Twisted Web client is not affected. The HTTP 2.0 server uses a different parser, so it is not affected. The issue has been addressed in Twisted 22.4.0rc1. Two workarounds are available: Ensure any vulnerabilities in upstream proxies have been addressed, such as by upgrading them; or filter malformed requests by other means, such as configuration of an upstream proxy.", "A flaw was found in python-twisted. This vulnerability occurs due to the parsing of illegal constructs in the twisted.web.http module. The illegal constructs include '+/-' in the Content-Length header, '\\n and \\t' etc. Non-conformant parsing leads to a desync if requests pass through multiple HTTP parsers. This flaw allows a remote attacker to perform an HTTP request smuggling attack."], "mitigation": {"lang": "en:us", "value": "Filter malformed requests like '+ or -' in Content-Length header, Illegal characters like LF(\\n) and HTAB(\\t), and 0x prefixes in HTTP Headers."}, "name": "CVE-2022-24801", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Out of support scope", "package_name": "python-twisted", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:3", "fix_state": "Affected", "package_name": "python-twisted", "product_name": "Red Hat Ceph Storage 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "python-twisted", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Affected", "package_name": "python-twisted", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "python-twisted", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:service_telemetry_framework:1.3::el8", "fix_state": "Affected", "package_name": "python-twisted", "product_name": "Service Telemetry Framework 1.3 for RHEL 8"}], "public_date": "2022-04-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-24801\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24801\nhttps://github.com/twisted/twisted/security/advisories/GHSA-c2jg-hw38-jrqq"], "statement": "Red Hat Enterprise Linux 6 was affected but Out of Support Cycle because python-twisted was not listed in Red Hat Enterprise Linux 6 ELS Inclusion List.\nhttps://access.redhat.com/articles/4997301", "threat_severity": "Important"}