{
  "id": "CVE-2011-4063",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2011-10-21T10:55:03.927",
  "lastModified": "2024-11-21T01:31:46.887",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request."
    },
    {
      "lang": "es",
      "value": "chan_sip.c en el driver de canal SIP de Asterisk Open Source v1.8.x antes de v1.8.7.1 y v10.x antes de v10.0.0-rc1 no inicializa correctamente las variables durante el an\u00e1lisis de la petici\u00f3n, lo que permite provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a usuarios remotos autenticados mediante una solicitud mal formada."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:asterisk:open_source:1.8.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "4AA9DBB3-1008-4CC8-B81B-991F286A6C0F"
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  "references": [
    {
      "url": "http://downloads.digium.com/pub/security/AST-2011-012.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "http://secunia.com/advisories/46420",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/8478",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.securityfocus.com/archive/1/520141/100/0/threaded",
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    {
      "url": "http://www.securityfocus.com/bid/50177",
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    },
    {
      "url": "http://www.securitytracker.com/id?1026191",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70706",
      "source": "cve@mitre.org"
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}