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{
"id": "CVE-2009-0871",
"sourceIdentifier": "cve@mitre.org",
"published": "2009-03-11T14:19:15.420",
"lastModified": "2018-10-10T19:32:15.740",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions."
},
{
"lang": "es",
"value": "El controlador de canal SIP en Asterisk Open Source v1.4.22, v1.4.23, y v1.4.23.1; v1.6.0 anterior a v1.6.0.6; v1.6.1 anterior a v1.6.1.0-rc2; y Asterisk Business Edition C.2.3, con la opci\u00f3n \"pedantic\" activada, permite a usuarios autenticados remotamente provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00f1es de una petici\u00f3n SIP INVITE sin cabecera, lo que dispara una deferencia a puntero NULL en las funciones (1) sip_uri_headers_cmp y(2) sip_uri_params_cmp."
}
],
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{
"source": "nvd@nist.gov",
"type": "Primary",
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"vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P",
"accessVector": "NETWORK",
"accessComplexity": "MEDIUM",
"authentication": "SINGLE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.5
},
"baseSeverity": "LOW",
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
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}
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"references": [
{
"url": "http://bugs.digium.com/view.php?id=13547",
"source": "cve@mitre.org"
},
{
"url": "http://bugs.digium.com/view.php?id=14417",
"source": "cve@mitre.org"
},
{
"url": "http://downloads.digium.com/pub/security/AST-2009-002.html",
"source": "cve@mitre.org",
"tags": [
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{
"url": "http://www.securityfocus.com/archive/1/501656/100/0/threaded",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/34070",
"source": "cve@mitre.org",
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{
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"source": "cve@mitre.org"
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