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funci\u00f3n remoteClientFreeFunc en daemon/remote.c en libvirt anterior a 1.1.3, cuando ACLs est\u00e1n utilizados, no fija una identidad, lo que causa que la eliminaci\u00f3n del manejador de eventos se deniega y atacantes remotos causan una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n y ca\u00edda) mediante el registro de un manejador de eventos y posteriormente el cierre de la conexi\u00f3n."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/416.html\">CWE-416: Use After Free</a>", "id": "CVE-2013-4399", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-12-12T15:59:00.070", "references": [{"source": "secalert@redhat.com", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=8294aa0c1750dcb49d6345cd9bd97bf421580d8b"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/60895"}, {"source": "secalert@redhat.com", "url": "http://security.gentoo.org/glsa/glsa-201412-04.xml"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://security.libvirt.org/2013/0013.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/62972"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=8294aa0c1750dcb49d6345cd9bd97bf421580d8b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/60895"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201412-04.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://security.libvirt.org/2013/0013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/62972"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Zhenfang Wang (Red Hat).", "bugzilla": {"description": "libvirt: unprivileged user can crash libvirtd when ACLs are enabled", "id": "1015214", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1015214"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The remoteClientFreeFunc function in daemon/remote.c in libvirt before 1.1.3, when ACLs are used, does not set an identity, which causes event handler removal to be denied and remote attackers to cause a denial of service (use-after-free and crash) by registering an event handler and then closing the connection."], "name": "CVE-2013-4399", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-09-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4399\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4399"], "statement": "Not vulnerable.\nThis issue did not affect the versions of libvirt package as shipped with Red Hat Enterprise Linux 5 and 6.", "threat_severity": "Moderate"}

{}