CVE-2021-22959

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This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6."}, {"lang": "es", "value": "El parser en acepta peticiones con un espacio (SP) justo despu\u00e9s del nombre del encabezado antes de los dos puntos. Esto puede conllevar a un contrabando de peticiones HTTP (HRS) en llhttp versiones anteriores a v2.1.4 y versiones anteriores a v6.0.6"}], "id": "CVE-2021-22959", "lastModified": "2026-06-17T03:38:06.607", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-15T15:15:06.747", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://hackerone.com/reports/1238709"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5170"}, {"source": "support@hackerone.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://hackerone.com/reports/1238709"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-444"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHEA-2022:5139", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:12-8060020220523160029.ad008a3a", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-21T00:00:00Z"}, {"advisory": "RHSA-2021:5171", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:16-8050020211206113934.c5368500", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-12-16T00:00:00Z"}, {"advisory": "RHSA-2022:0350", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:14-8050020211213115342.c5368500", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-02-01T00:00:00Z"}, {"advisory": "RHEA-2022:4925", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "nodejs:12-8010020220518102644.c27ad7f8", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-07T00:00:00Z"}, {"advisory": "RHEA-2022:5221", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "nodejs:12-8020020220523154454.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-28T00:00:00Z"}, {"advisory": "RHEA-2022:5615", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "nodejs:12-8040020220523155137.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-07-19T00:00:00Z"}, {"advisory": "RHSA-2022:0246", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "nodejs:14-8040020211213111158.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-01-25T00:00:00Z"}, {"advisory": "RHSA-2022:0041", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-0:14.18.2-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-01-06T00:00:00Z"}, {"advisory": "RHSA-2022:0041", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-nodemon-0:2.0.3-6.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-01-06T00:00:00Z"}, {"advisory": "RHSA-2022:4914", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs12-nodejs-0:12.22.12-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-06-06T00:00:00Z"}], "bugzilla": {"description": "llhttp: HTTP Request Smuggling due to spaces in headers", "id": "2014057", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2014057"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-444", "details": ["The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.", "An HTTP Request Smuggling (HRS) vulnerability was found in the llhttp library, used by Node.JS. Spaces as part of the header names were accepted as valid. In situations where HTTP conversations are being proxied (such as proxy, reverse-proxy, load-balancer), an attacker can use this flaw to inject arbitrary messages through the proxy. The highest threat from this vulnerability is to confidentiality and integrity."], "name": "CVE-2021-22959", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Will not fix", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2021-10-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-22959\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-22959\nhttps://nodejs.org/en/blog/vulnerability/oct-2021-security-releases/"], "statement": "Red Hat Quay from version 3.4 consumes nodejs from RHEL, so security tracking is provided by the container health index on the customer portal [1]. Additionally there is no impact from this issue on Quay 3.3 and 3.2 because nodejs is only used at build time and is no longer shipped, starting with Quay 3.5 [2].\n[1] https://catalog.redhat.com/software/containers/quay/quay-rhel8/600e03aadd19c7786c43ae49?container-tabs=security\n[2] https://issues.redhat.com/browse/PROJQUAY-1409\nTherefore Quay component is marked as \"Will not fix\".", "threat_severity": "Low"}

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