{
  "modified": "2025-04-11T00:51:21Z",
  "published": "2011-03-15T17:55:05Z",
  "id": "CVE-2011-1147",
  "details": "Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://downloads.asterisk.org/pub/security/AST-2011-002.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/43429"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/43702"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.debian.org/security/2011/dsa-2225"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.vupen.com/english/advisories/2011/0635"
    },
    {
      "type": "FIX",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html"
    },
    {
      "type": "FIX",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html"
    },
    {
      "type": "FIX",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2011/03/11/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2011/03/11/8"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/46474"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id?1025101"
    }
  ]
}