CVE-2016-0749

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provocar un denegaci\u00f3n de servicio (ca\u00edda del proceso QEMU-KVM) o ejecutar, posiblemente, un c\u00f3digo arbitrario a trav\u00e9s de v\u00e9ctores relacionados con conectarse con un invitado VM, lo que ejecuta un desbordamiento de bufer basado en memoria din\u00e1mica."}], "id": "CVE-2016-0749", "lastModified": "2026-06-17T00:38:08.650", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": 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{"acknowledgement": "This issue was discovered by Jing Zhao (Red Hat).", "affected_release": [{"advisory": "RHSA-2016:1204", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "spice-server-0:0.12.4-13.el6.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-06-06T00:00:00Z"}, {"advisory": "RHSA-2016:1205", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "spice-0:0.12.4-15.el7_2.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-06-06T00:00:00Z"}], "bugzilla": {"description": "spice: heap-based memory corruption within smartcard handling", "id": "1300646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1300646"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-131->CWE-122", "details": ["The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or possibly execute arbitrary code via vectors related to connecting to a guest VM, which triggers a heap-based buffer overflow.", "A memory allocation flaw, leading to a heap-based buffer overflow, was found in spice's smartcard interaction, which runs under the QEMU-KVM context on the host. A user connecting to a guest VM using spice could potentially use this flaw to crash the QEMU-KVM process or execute arbitrary code with the privileges of the host's QEMU-KVM process."], "name": "CVE-2016-0749", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux:7::hypervisor", "fix_state": "Affected", "package_name": "rhev-hypervisor", "product_name": "Red Hat Enterprise Virtualization 3"}], "public_date": "2016-06-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-0749\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-0749"], "threat_severity": "Important"}

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