{
  "schema_version": "1.4.0",
  "id": "GHSA-9w42-v5mm-2ffh",
  "modified": "2022-05-02T03:38:05Z",
  "published": "2022-05-02T03:38:05Z",
  "aliases": [
    "CVE-2009-2726"
  ],
  "details": "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.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-2726"
    },
    {
      "type": "WEB",
      "url": "http://downloads.digium.com/pub/security/AST-2009-005.html"
    },
    {
      "type": "WEB",
      "url": "http://labs.mudynamics.com/advisories/MU-200908-01.txt"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/36227"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/505669/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/36015"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id?1022705"
    },
    {
      "type": "WEB",
      "url": "http://www.vupen.com/english/advisories/2009/2229"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2009-08-12T10:30:00Z"
  }
}