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{
"id": "CVE-2020-12460",
"sourceIdentifier": "cve@mitre.org",
"published": "2020-07-27T23:15:12.373",
"lastModified": "2023-11-07T03:15:25.390",
"vulnStatus": "Modified",
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"descriptions": [
{
"lang": "en",
"value": "OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null termination in the function opendmarc_xml_parse that can result in a one-byte heap overflow in opendmarc_xml when parsing a specially crafted DMARC aggregate report. This can cause remote memory corruption when a '\\0' byte overwrites the heap metadata of the next chunk and its PREV_INUSE flag."
},
{
"lang": "es",
"value": "OpenDMARC versiones hasta 1.3.2 y versiones desde 1.4.x hasta 1.4.0-Beta1, presenta una terminaci\u00f3n nula inapropiada en la funci\u00f3n opendmarc_xml_parse que puede resultar en un desbordamiento de la pila por un byte en opendmarc_xml al analizar un reporte agregado DMARC especialmente dise\u00f1ado. Esto puede causar da\u00f1os en la memoria remota cuando un byte \"\\0\" sobrescribe los metadatos de la pila del siguiente fragmento y su flag PREV_INUSE"
}
],
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"type": "Primary",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
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"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
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"obtainOtherPrivilege": false,
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}
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"description": [
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"value": "CWE-787"
}
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"source": "cve@mitre.org",
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},
{
"url": "https://security.gentoo.org/glsa/202011-02",
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