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nvd-json-data-feeds/CVE-2014/CVE-2014-01xx/CVE-2014-0143.json

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{
"id": "CVE-2014-0143",
"sourceIdentifier": "secalert@redhat.com",
"published": "2017-08-10T15:29:00.223",
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"lastModified": "2024-11-21T02:01:28.217",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
{
"lang": "en",
"value": "Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes."
},
{
"lang": "es",
"value": "M\u00faltiples desbordamientos de enteros en los controladores de bloque en QEMU, posiblemente en versiones anteriores a la 2.0.0, permiten que usuarios locales provoquen una denegaci\u00f3n de servicio mediante un tama\u00f1o de cat\u00e1logo manipulado en (1) la funci\u00f3n parallels_open en block/parallels.c o (2) la funci\u00f3n bochs_open en bochs.c, una gran tabla en (3) qcow2_snapshot_load_tmp en qcow2-snapshot.c o en la funci\u00f3n (4) qcow2_grow_l1_table en qcow2-cluster.c, (5) una gran petici\u00f3n en la funci\u00f3n bdrv_check_byte_request en block.c y otros controladores de bloqueo, (6) \u00edndices de cl\u00faster manipulados en la funci\u00f3n get_refcount en qcow2-refcount.c, o (7) un gran n\u00famero de bloqueos en la funci\u00f3n cloop_open en cloop.c. Esto provoca desbordamientos de b\u00fafer, corrupci\u00f3n de memoria, grandes asignaciones de memoria y lesturas y escrituras fuera de l\u00edmites."
}
],
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"version": "3.0",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.0,
"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
"exploitabilityScore": 1.0,
"impactScore": 5.9
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"baseScore": 4.4,
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"accessVector": "LOCAL",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
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"availabilityImpact": "PARTIAL"
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},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
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"description": [
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"lang": "en",
"value": "CWE-190"
}
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}
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}
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