CVE-2021-22883

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This leads to a leak of file descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept new connections and prevent the process also from opening, e.g. a file. If no file descriptor limit is configured, then this lead to an excessive memory usage and cause the system to run out of memory."}, {"lang": "es", "value": "Node.js versiones anteriores a 10.24.0, 12.21.0, 14.16.0 y 15.10.0, es vulnerable a un ataque de denegaci\u00f3n de servicio cuando son establecidos demasiados intentos de conexi\u00f3n con un \"unknownProtocol\". Esto conlleva a una filtraci\u00f3n de descriptores de archivos. Si es configurado un l\u00edmite de descriptor de archivo en el sistema, entonces el servidor no puede aceptar nuevas conexiones e impide que el proceso tambi\u00e9n se abra, por ejemplo, un archivo. Si no es configurado ning\u00fan l\u00edmite de descriptor de archivo, esto conllevar\u00e1 a un uso excesivo de la memoria y causar\u00e1 al sistema quedarse sin memoria"}], "id": "CVE-2021-22883", "lastModified": "2026-06-17T03:37:56.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", 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{"affected_release": [{"advisory": "RHSA-2021:0734", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:12-8030020210302104621.229f0a1c", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-04T00:00:00Z"}, {"advisory": "RHSA-2021:0735", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:10-8030020210225164533.229f0a1c", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-04T00:00:00Z"}, {"advisory": "RHSA-2021:0744", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:14-8030020210301172147.229f0a1c", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-08T00:00:00Z"}, {"advisory": "RHSA-2021:0739", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "nodejs:12-8010020210302113522.c27ad7f8", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-03-08T00:00:00Z"}, {"advisory": "RHSA-2021:0741", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "nodejs:10-8010020210225115101.c27ad7f8", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-03-08T00:00:00Z"}, {"advisory": "RHSA-2021:0738", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "nodejs:10-8020020210225153906.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-03-08T00:00:00Z"}, {"advisory": "RHSA-2021:0740", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "nodejs:12-8020020210302112530.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-03-08T00:00:00Z"}, {"advisory": "RHSA-2021:0827", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.24.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0830", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-0:14.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0831", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs12-nodejs-0:12.21.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0827", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.24.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0830", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-0:14.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0831", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs12-nodejs-0:12.21.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0827", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.24.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0830", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-0:14.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-03-15T00:00:00Z"}, {"advisory": "RHSA-2021:0831", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs12-nodejs-0:12.21.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-03-15T00:00:00Z"}], "bugzilla": {"description": "nodejs: HTTP2 'unknownProtocol' cause DoS by resource exhaustion", "id": "1932014", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932014"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to a denial of service attack when too many connection attempts with an 'unknownProtocol' are established. This leads to a leak of file descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept new connections and prevent the process also from opening, e.g. a file. If no file descriptor limit is configured, then this lead to an excessive memory usage and cause the system to run out of memory.", "A flaw was found in nodejs. When too many connection attempts with an 'unknownProtocol' are established a leak of file descriptors can occur leading to a potential denial of service. If a file descriptor limit is configured on the system, then the server is unable to accept new connections and prevent the process also from opening. If no file descriptor limit is configured, then this can lead to an excessive memory usage and cause the system to run out of memory. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-22883", "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", "impact": "low", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2021-02-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-22883\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-22883"], "statement": "Red Hat Quay from version 3.4 consumes the 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 they don't use nodejs as a HTTP server.\n[1] https://catalog.redhat.com/software/containers/quay/quay-rhel8/600e03aadd19c7786c43ae49?container-tabs=security", "threat_severity": "Important"}

{}