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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*", "matchCriteriaId": "20AEBAC3-B816-4148-8E3B-8425914923A0", "versionEndIncluding": "1.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "E13A6AAE-BC1B-4CE1-B747-84F9C6B3FF73", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "6DDA1805-ED8A-44AA-96FF-E676D278CCFD", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "BBD82EEA-279F-42CA-8F4C-A4D57EEBAB0D", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "320C2182-DBCF-4564-940A-D12673C73543", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "EB635DBE-29F1-4055-A064-42539FC811C4", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.5:*:*:*:*:*:*:*", "matchCriteriaId": "67B77F63-C9AC-42D4-B9E2-4BBE196AC254", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:libvirt:1.0.6:*:*:*:*:*:*:*", "matchCriteriaId": "E03AF346-6F4E-4BEA-B29E-9C9C04148843", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to \"agent based cpu (un)plug,\" as demonstrated by the \"virsh vcpucount foobar --guest\" command."}, {"lang": "es", "value": "La funci\u00f3n qemuAgentCommand en libvirt anteriores a 1.1.1, cuando no es configurado un agente invitado, permite a atacantes remotos causar una denegaci\u00f3n de servicio (referencia a puntero nulo y cuelgue) a trav\u00e9s de vectores relacionados con \"agent based cpu (un)plug\", como fue demostrado por el comando \"virsh vcpucount foobar --guest\"."}], "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\n\n'CWE-476: NULL Pointer Dereference'", "id": "CVE-2013-4154", "lastModified": "2026-04-29T01:13:23.040", "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": "2013-09-30T21:55:09.223", "references": [{"source": "secalert@redhat.com", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6"}, {"source": "secalert@redhat.com", "url": "http://libvirt.org/news.html"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2013/07/19/12"}, {"source": "secalert@redhat.com", "tags": ["Exploit"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=984821"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=986386"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://libvirt.org/news.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2013/07/19/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=984821"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=986386"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Alex Jia (Red Hat).", "bugzilla": {"description": "libvirt: crash of libvirtd without guest agent configuration", "id": "986386", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=986386"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to \"agent based cpu (un)plug,\" as demonstrated by the \"virsh vcpucount foobar --guest\" command."], "name": "CVE-2013-4154", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2013-07-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4154\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4154"], "statement": "Not vulnerable. This issue did not affect the versions of libvirt as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.", "threat_severity": "Moderate"}

{}