{
  "modified": "2025-04-11T00:51:21Z",
  "published": "2011-10-21T10:55:03Z",
  "id": "CVE-2011-4063",
  "details": "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.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://downloads.digium.com/pub/security/AST-2011-012.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/46420"
    },
    {
      "type": "WEB",
      "url": "http://securityreason.com/securityalert/8478"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/520141/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/50177"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id?1026191"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70706"
    }
  ]
}