CVE-2018-14645

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{"affected": [{"affectedData": [{"product": "haproxy", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "1.8.14"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "F4F0D169-E661-44C6-98E7-AA40B01D3706", "versionEndIncluding": "1.8.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:*", "matchCriteriaId": "384135A7-48E2-470F-91CE-8253F10D8D0D", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*", "matchCriteriaId": "309CB6F8-F178-454C-BE97-787F78647C28", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*", "matchCriteriaId": "B99A2411-7F6A-457F-A7BF-EB13C630F902", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*", "matchCriteriaId": "041F9200-4C01-4187-AE34-240E8277B54D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*", "matchCriteriaId": "4EB48767-F095-444F-9E05-D9AC345AB803", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*", "matchCriteriaId": "5F6FA12B-504C-4DBF-A32E-0548557AA2ED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service."}, {"lang": "es", "value": "Se ha descubierto un fallo en el descodificador HPACK de HAProxy en versiones anteriores a la 1.8.14 que se utiliza para HTTP/2. Un acceso de lectura fuera de l\u00edmites en hpack_vallid_idx() result\u00f3 en un cierre inesperado remoto y una denegaci\u00f3n de servicio (DoS)."}], "id": "CVE-2018-14645", "lastModified": "2026-06-17T01:41:21.767", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-09-21T13:29:00.453", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHBA-2019:0028"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2882"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3780-1/"}, {"source": "secalert@redhat.com", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHBA-2019:0028"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2882"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3780-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Tim D\u00fcsterhus and Willy Tarreau for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:2709", "cpe": "cpe:/a:redhat:openshift:3.10::el7", "impact": "moderate", "package": "haproxy-0:1.8.14-2.el7", "product_name": "Red Hat OpenShift Container Platform 3.10", "release_date": "2018-11-11T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "atomic-openshift-0:3.9.60-1.git.0.f8b38ff.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "atomic-openshift-dockerregistry-0:3.9.60-1.git.353.1da3b27.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "atomic-openshift-web-console-0:3.9.60-1.git.277.be8dbdd.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "golang-github-prometheus-node_exporter-0:3.9.60-1.git.1063.df94c95.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "haproxy-0:1.8.14-2.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "openshift-ansible-0:3.9.60-1.git.0.f0ebfaa.el7", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHBA-2019:0028", "cpe": "cpe:/a:redhat:openshift:3.9::el7", "impact": "moderate", "package": "rubygem-ffi-0:1.9.25-4.el7_5", "product_name": "Red Hat OpenShift Container Platform 3.9", "release_date": "2019-01-10T00:00:00Z"}, {"advisory": "RHSA-2018:2882", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-haproxy18-haproxy-0:1.8.4-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2018-10-08T00:00:00Z"}, {"advisory": "RHSA-2018:2882", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-haproxy18-haproxy-0:1.8.4-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS", "release_date": "2018-10-08T00:00:00Z"}, {"advisory": "RHSA-2018:2882", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-haproxy18-haproxy-0:1.8.4-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2018-10-08T00:00:00Z"}, {"advisory": "RHSA-2018:2882", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-haproxy18-haproxy-0:1.8.4-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2018-10-08T00:00:00Z"}], "bugzilla": {"description": "haproxy: Out-of-bounds read in HPACK decoder", "id": "1630048", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1630048"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.", "A flaw was discovered in the HPACK decoder of haproxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service."], "mitigation": {"lang": "en:us", "value": "HTTP/2 support is disabled by default on OpenShift Container Platform 3.11. To mitigate this vulnerability keep it disabled. You can verify if HTTP/2 support is enabled by following the instructions in the upstream pull request, [1].\n[1] https://github.com/openshift/origin/pull/19968"}, "name": "CVE-2018-14645", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:3.7", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat OpenShift Container Platform 3.7"}], "public_date": "2018-09-20T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-14645\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-14645\nhttps://www.mail-archive.com/haproxy@formilux.org/msg31253.html"], "statement": "HTTP/2 support was added to haproxy in version 1.8, therefore OpenShift Container Platform (OCP) 3.7 and earlier are unaffected by this flaw. OCP 3.11 added a configuration option to ose-haproxy-router that made enabling HTTP/2 support easy, [2]. Prior to that, in versions OCP 3.9 and 3.10, an administrator had to customize the haproxy router configuration to add HTTP/2 support, [3]. OCP 3.9, and 3.10 are rated as moderate because HTTP/2 support was not a standard configuration option, and therefore unlikely to be enabled.\nVersions of haproxy included in Red Hat Enterprise Linux 6 and 7, excluding rh-haproxy18-haproxy in Red Hat Software Collections, are unaffected as they package versions of haproxy before 1.7.\n[1] http://www.haproxy.org/news.html\n[2] https://github.com/openshift/origin/pull/19968\n[3] https://docs.openshift.com/container-platform/3.10/install_config/router/customized_haproxy_router.html", "threat_severity": "Important"}

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