{
    "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": "http://labs.mudynamics.com/advisories/MU-200908-01.txt",
                "refsource": "MISC",
                "url": "http://labs.mudynamics.com/advisories/MU-200908-01.txt"
            },
            {
                "name": "ADV-2009-2229",
                "refsource": "VUPEN",
                "url": "http://www.vupen.com/english/advisories/2009/2229"
            },
            {
                "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": "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": "1022705",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id?1022705"
            },
            {
                "name": "36227",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/36227"
            }
        ]
    }
}