{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2009-2726",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "n/a",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "n/a"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The SIP channel driver in Asterisk Open Source 1.2.x before 1.2.34, 1.4.x before 1.4.26.1, 1.6.0.x before 1.6.0.12, and 1.6.1.x before 1.6.1.4; Asterisk Business Edition A.x.x, B.x.x before B.2.5.9, C.2.x before C.2.4.1, and C.3.x before C.3.1; and Asterisk Appliance s800i 1.2.x before 1.3.0.3 does not use a maximum width when invoking sscanf style functions, which allows remote attackers to cause a denial of service (stack memory consumption) via SIP packets containing large sequences of ASCII decimal characters, as demonstrated via vectors related to (1) the CSeq value in a SIP header, (2) large Content-Length value, and (3) SDP."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "n/a"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "20090811 AST-2009-005: Remote Crash Vulnerability in SIP channel driver",
            "refsource" : "BUGTRAQ",
            "url" : "http://www.securityfocus.com/archive/1/505669/100/0/threaded"
         },
         {
            "name" : "http://labs.mudynamics.com/advisories/MU-200908-01.txt",
            "refsource" : "MISC",
            "url" : "http://labs.mudynamics.com/advisories/MU-200908-01.txt"
         },
         {
            "name" : "http://downloads.digium.com/pub/security/AST-2009-005.html",
            "refsource" : "CONFIRM",
            "url" : "http://downloads.digium.com/pub/security/AST-2009-005.html"
         },
         {
            "name" : "36015",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/36015"
         },
         {
            "name" : "1022705",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id?1022705"
         },
         {
            "name" : "36227",
            "refsource" : "SECUNIA",
            "url" : "http://secunia.com/advisories/36227"
         },
         {
            "name" : "ADV-2009-2229",
            "refsource" : "VUPEN",
            "url" : "http://www.vupen.com/english/advisories/2009/2229"
         }
      ]
   }
}