CVE-2011-1751

{"id": "CVE-2011-1751", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.4, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 4.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-06-21T15:55:09.613", "references": [{"url": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/", "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca", "source": "secalert@redhat.com"}, {"url": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0534.html", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44393", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44458", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44648", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44658", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44660", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44900", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2011/05/19/2", "source": "secalert@redhat.com"}, {"url": "http://www.osvdb.org/73395", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/47927", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=699773", "source": "secalert@redhat.com"}, {"url": "https://github.com/nelhage/virtunoid", "source": "secalert@redhat.com"}, {"url": "https://hermes.opensuse.org/messages/8572547", "source": "secalert@redhat.com"}, {"url": "https://www.ubuntu.com/usn/USN-1145-1/", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm does not check if a device is hotpluggable before unplugging the PCI-ISA bridge, which allows privileged guest users to cause a denial of service (guest crash) and possibly execute arbitrary code by sending a crafted value to the 0xae08 (PCI_EJ_BASE) I/O port, which leads to a use-after-free related to \"active qemu timers.\""}, {"lang": "es", "value": "La funci\u00f3n pciej_write en hw/acpi_piix4.c en la emulaci\u00f3n de PIIX4 Power Management en qemu-kvm no comprueba si un dispositivo es conectable en caliente antes de desconectar el puente PCI-ISA, lo que permite causar una denegaci\u00f3n de servicio y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a los usuarios privilegiados invitados mediante el env\u00edo de un valor espec\u00edfico al puerto I/O 0xae08 (PCI_EJ_BASE), lo que provoca a un uso despu\u00e9s de liberaci\u00f3n relacionado con \"temporizadores qemu activos\"."}], "lastModified": "2023-02-13T04:30:49.203", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:0.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BC82CD08-F151-489C-9BC4-50C8C9583718"}, {"criteria": "cpe:2.3:a:qemu:qemu:0.1.1:*:*:*:*:*:*:*", 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