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{
"id": "CVE-2011-2216",
"sourceIdentifier": "cve@mitre.org",
"published": "2011-06-06T19:55:03.770",
"lastModified": "2018-10-09T19:32:18.633",
"vulnStatus": "Modified",
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n'CWE-476: NULL Pointer Dereference'",
"descriptions": [
{
"lang": "en",
"value": "reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header."
},
{
"lang": "es",
"value": "reqresp_parser.c del driver del canal SIP en Asterisk Open Source v1.8.x antes de v1.8.4.2 no inicializa ciertas cadenas,lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio ( desreferenciar un puntero NULL y ca\u00edda de demonio ) a trav\u00e9s de un cabecera de contacto con formato incorrecto."
}
],
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"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
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"references": [
{
"url": "http://downloads.digium.com/pub/security/AST-2011-007.html",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html",
"source": "cve@mitre.org"
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html",
"source": "cve@mitre.org"
},
{
"url": "http://securitytracker.com/id?1025598",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/archive/1/518236/100/0/threaded",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/48096",
"source": "cve@mitre.org"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67812",
"source": "cve@mitre.org"
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}