CVE-2016-1714

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "B152EDF3-3140-4343-802F-F4F1C329F5C3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*", "matchCriteriaId": "CC7A498A-A669-4C42-8134-86103C799D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*", "matchCriteriaId": "104DA87B-DEE4-4262-AE50-8E6BC43B228B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABF17A18-4BE8-41B7-B50C-F4A137B3B2F1", "versionEndIncluding": "2.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration."}, {"lang": "es", "value": "Las funciones (1) fw_cfg_write y (2) fw_cfg_read en hw/nvram/fw_cfg.c en QEMU en versiones anteriores a 2.4, cuando construye con el soporte de emulaci\u00f3n de dispositivo de Firmware Configuration, permiten a usuarios del SO invitado con el privilegio CAP_SYS_RAWIO provocar una denegaci\u00f3n de servicio (acceso a lectura o escritura fuera de rango y ca\u00edda del proceso) o potencialmente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un valor de entrada actual no v\u00e1lido en una configuraci\u00f3n de firmware."}], "id": "CVE-2016-1714", "lastModified": "2026-06-17T00:42:29.137", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-07T19:59:02.480", "references": [{"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0081.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0082.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0083.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0084.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "http://rhn.redhat.com/errata/RHSA-2016-0085.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0086.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0087.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": 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"http://www.securityfocus.com/bid/80250"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.securitytracker.com/id/1034858"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00428.html"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201604-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-0081.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-0082.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-0083.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-0084.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": 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"vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Donghai Zhu (Alibaba) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2016:0082", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.479.el6_7.4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0083", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-105.el7_2.3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0085", "cpe": "cpe:/a:redhat:openstack:5::el6", "package": "qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.4", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0086", "cpe": "cpe:/a:redhat:openstack:5::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0087", "cpe": "cpe:/a:redhat:openstack:6::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0088", "cpe": "cpe:/a:redhat:openstack:7::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0084", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor_power", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "RHEV 3.6 For IBM Power Systems", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0081", "cpe": "cpe:/a:redhat:enterprise_linux:6::hypervisor", "package": "qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.4", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-6", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0084", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-7", "release_date": "2016-01-28T00:00:00Z"}], "bugzilla": {"description": "Qemu: nvram: OOB r/w access in processing firmware configurations", "id": "1296060", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296060"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-125", "details": ["The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.", "An out-of-bounds read/write flaw was discovered in the way QEMU's Firmware Configuration device emulation processed certain firmware configurations. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU process."], "name": "CVE-2016-1714", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}], "public_date": "2016-01-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1714\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1714"], "threat_severity": "Important"}

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