{"containers": {"cna": {"affected": [{"product": "nginx", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "1.15.6"}, {"status": "affected", "version": "1.14.1"}]}], "datePublic": "2018-11-06T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. 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."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-21T23:06:54.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "DSA-4335", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2018/dsa-4335"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"}, {"name": "RHSA-2018:3680", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:3680"}, {"name": "RHSA-2018:3681", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:3681"}, {"name": "105868", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/105868"}, {"tags": ["x_refsource_MISC"], "url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"}, {"name": "1042038", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1042038"}, {"name": "USN-3812-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3812-1/"}, {"name": "openSUSE-SU-2019:2120", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT212818"}, {"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2021/Sep/36"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-16844", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "nginx", "version": {"version_data": [{"version_value": "1.15.6"}, {"version_value": "1.14.1"}]}}]}, "vendor_name": "[UNKNOWN]"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. 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."}]}, "impact": {"cvss": [[{"vectorString": "5.3/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "references": {"reference_data": [{"name": "DSA-4335", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2018/dsa-4335"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"}, {"name": "RHSA-2018:3680", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3680"}, {"name": "RHSA-2018:3681", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3681"}, {"name": "105868", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105868"}, {"name": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html", "refsource": "MISC", "url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"}, {"name": "1042038", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1042038"}, {"name": "USN-3812-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3812-1/"}, {"name": "openSUSE-SU-2019:2120", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"}, {"name": "https://support.apple.com/kb/HT212818", "refsource": "CONFIRM", "url": "https://support.apple.com/kb/HT212818"}, {"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2021/Sep/36"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T10:32:54.086Z"}, "title": "CVE Program Container", "references": [{"name": "DSA-4335", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2018/dsa-4335"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"}, {"name": "RHSA-2018:3680", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:3680"}, {"name": "RHSA-2018:3681", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:3681"}, {"name": "105868", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/105868"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"}, {"name": "1042038", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1042038"}, {"name": "USN-3812-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3812-1/"}, {"name": "openSUSE-SU-2019:2120", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/kb/HT212818"}, {"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2021/Sep/36"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2018-16844", "datePublished": "2018-11-07T14:00:00.000Z", "dateReserved": "2018-09-11T00:00:00.000Z", "dateUpdated": "2024-08-05T10:32:54.086Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*", "matchCriteriaId": "0433769A-39E6-4E6A-A2EA-43029AA71456", "versionEndExcluding": "1.14.1", "versionStartIncluding": "1.9.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*", "matchCriteriaId": "19DC9462-C7A0-483D-AEB5-F2E83C514B3E", "versionEndExcluding": "1.15.6", "versionStartIncluding": "1.15.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB279F6B-EE4C-4885-9CD4-657F6BD2548F", "versionEndExcluding": "13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. 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."}, {"lang": "es", "value": "nginx en versiones anteriores a la 1.15.6 y 1.14.1 tiene una vulnerabilidad en la implementaci\u00f3n de HTTP/2 que puede permitir el uso excesivo de CPU. 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-2018-16844", "lastModified": "2024-11-21T03:53:25.810", "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", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-11-07T14:29:00.837", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Sep/36"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105868"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1042038"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3680"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3681"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT212818"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3812-1/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4335"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Sep/36"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1042038"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3680"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:3681"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT212818"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3812-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2018/dsa-4335"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank the Nginx project for reporting this issue.", "affected_release": [{"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-2018:3680", "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-2018:3680", "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-2018:3680", "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 CPU usage via flaw in HTTP/2 implementation", "id": "1644510", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1644510"}, "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 CPU usage. 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-2018-16844", "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: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": "Will not fix", "package_name": "rh-nginx110-nginx", "product_name": "Red Hat Software Collections"}, {"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-2018-16844\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16844\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"}

{}