CVE-2018-16843

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Este problema afecta a nginx compilado con ngx_http_v2_module (no compilado por defecto) si la opci\u00f3n \"hppt2\" de la directiva \"listen\" se emplea en un archivo de configuraci\u00f3n."}], "id": "CVE-2018-16843", "lastModified": "2026-06-17T01:44:53.387", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", 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{"acknowledgement": "Red Hat would like to thank the Nginx project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:3653", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el6", "package": "rh-nginx110-nginx-1:1.10.2-8.el6.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2018-11-26T00:00:00Z"}, {"advisory": "RHSA-2018:3653", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx110-nginx-1:1.10.2-8.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2018-11-26T00:00:00Z"}, {"advisory": "RHSA-2018:3680", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx112-nginx-1:1.12.1-2.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3681", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx114-nginx-1:1.14.1-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3653", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx110-nginx-1:1.10.2-8.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2018-11-26T00:00:00Z"}, {"advisory": "RHSA-2018:3680", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx112-nginx-1:1.12.1-2.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3681", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx114-nginx-1:1.14.1-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3653", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx110-nginx-1:1.10.2-8.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2018-11-26T00:00:00Z"}, {"advisory": "RHSA-2018:3680", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx112-nginx-1:1.12.1-2.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3681", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx114-nginx-1:1.14.1-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3653", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx110-nginx-1:1.10.2-8.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2018-11-26T00:00:00Z"}, {"advisory": "RHSA-2018:3680", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx112-nginx-1:1.12.1-2.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2018-11-27T00:00:00Z"}, {"advisory": "RHSA-2018:3681", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nginx114-nginx-1:1.14.1-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2018-11-27T00:00:00Z"}], "bugzilla": {"description": "nginx: Excessive memory consumption via flaw in HTTP/2 implementation", "id": "1644511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1644511"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-400", "details": ["nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file."], "name": "CVE-2018-16843", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Not affected", "package_name": "nginx", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "openresty", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_tower:3", "fix_state": "Not affected", "package_name": "nginx", "product_name": "Red Hat Ansible Tower 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nginx", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-nginx18-nginx", "product_name": "Red Hat Software Collections"}], "public_date": "2018-11-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-16843\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16843\nhttp://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"], "statement": "This issue did not affect the versions of rh-nginx18-nginx as shipped with Red Hat Software Collections as they did not include the vulnerable module ngx_http_v2_module.", "threat_severity": "Moderate"}

{}