CVE-2014-1895

{"id": "CVE-2014-1895", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:S/C:P/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 7.8, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 4.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2014-04-01T06:35:53.577", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html", "source": "cve@mitre.org"}, {"url": "http://security.gentoo.org/glsa/glsa-201407-03.xml", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2014/02/07/12", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2014/02/10/6", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-85.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-189"}]}], "descriptions": [{"lang": "en", "value": "Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read."}, {"lang": "es", "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la funci\u00f3n flask_security_avc_cachestats en xsm/flask/flask_op.c en Xen 4.2.x y 4.3.x, cuando el n\u00famero m\u00e1ximo de CPUs f\u00edsicas est\u00e1n en uso, permite a usuarios locales causar una denegaci\u00f3n de servicio (ca\u00edda de host) u obtener informaci\u00f3n sensible de memoria del hipervisor mediante el aprovechamiento de una hiperllamada FLASK_AVC_CACHESTAT, lo que provoca una sobrelectura de buffer."}], "lastModified": "2017-01-07T02:59:45.017", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00"}, {"criteria": "cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47640819-FC43-49ED-8A77-728C3D7255B3"}, {"criteria": "cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2448537F-87AD-45C1-9FB0-7A49CA31BD76"}, {"criteria": "cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E36B2265-70E1-413B-A7CF-79D39E9ADCFB"}, {"criteria": "cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF948E6A-07BE-4C7D-8A98-002E89D35F4D"}, {"criteria": "cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0E23B94-1726-4F63-84BB-8D83FAB156D7"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}