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"operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client."}, {"lang": "es", "value": "Qemu, cuando se construye con soporte de controlador de pantalla VNC, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (excepci\u00f3n aritm\u00e9tica y ca\u00edda de aplicaci\u00f3n) a trav\u00e9s de mensajes SetPixelFormat manipulados desde un cliente."}], "id": "CVE-2015-8504", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-04-11T19:59:00.420", "references": [{"source": "secalert@redhat.com", "url": "http://git.qemu-project.org/?p=qemu.git%3Ba=commitdiff%3Bh=4c65fed8bdf96780735dbdb92a8"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": 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{"acknowledgement": "Red Hat would like to thank Lian Yihan (Qihoo 360 Inc) for reporting this issue.", "bugzilla": {"description": "Qemu: ui: vnc: avoid floating point exception", "id": "1289541", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1289541"}, "csaw": false, "cvss": {"cvss_base_score": "6.3", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:N/A:C", "status": "draft"}, "cwe": "CWE-369", "details": ["Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.", "An arithmetic-exception flaw was found in the QEMU emulator built with VNC display-driver support. The VNC server incorrectly handled 'SetPixelFormat' messages sent from clients. A privileged remote client could use this flaw to crash the guest resulting in denial of service."], "name": "CVE-2015-8504", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "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": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6"}, {"cpe": "cpe:/a:redhat:openstack:5::el7", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7"}, {"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}], "public_date": "2015-12-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8504\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8504"], "statement": "This issue does not affect the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\nThis issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, and the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\nThis issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 7.\nThis issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\nThis has been rated as having Moderate security impact and is not currently\nplanned to be addressed in future updates. For additional information, refer\nto the Red Hat Enterprise Linux Life Cycle:\nhttps://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}