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{
"id": "CVE-2007-4771",
"sourceIdentifier": "cve@mitre.org",
"published": "2008-01-29T00:00:00.000",
"lastModified": "2024-11-21T00:36:24.730",
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"vulnStatus": "Modified",
"cveTags": [],
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"descriptions": [
{
"lang": "en",
"value": "Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack. NOTE: some of these details are obtained from third party information."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en mont\u00edculo en la funci\u00f3n doInterval de regexcmp.cpp de libicu de International Components for Unicode (ICU) 3.8.1 y versiones anteriores, permite a atacantes locales o remotos dependientes del contexto provocar una denegaci\u00f3n de servicio (agotamiento de memoria) y posiblemente tiene otro impacto desconocido mediante una expresi\u00f3n regular que escribe una gran cantidad de datos en la pila de vuelta atr\u00e1s (backtracking).\r\nNOTA: algunos de estos detalles se han obtenido de informaci\u00f3n de terceros."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"baseScore": 9.3,
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"accessVector": "NETWORK",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE"
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},
"baseSeverity": "HIGH",
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": true,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-399"
}
]
}
],
"configurations": [
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{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\\/c\\+\\+:*:*",
"versionEndIncluding": "3.8.1",
"matchCriteriaId": "8C296240-3851-4E13-8941-F20F6B42EF94"
}
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