# # This script was written by David Maciejak # # Ref : lion # This script is released under the GNU GPLv2 if(description) { script_id(14584); script_cve_id("CVE-2004-1643"); script_bugtraq_id(11065); if ( defined_func("script_xref") ) script_xref(name:"OSVDB", value:"9382"); script_version ("$Revision: 1.13 $"); name["english"] = "WS FTP server DoS"; script_name(english:name["english"]); desc["english"] = " Synopsis : The remote FTP server is prone to a denial of service attack. Description : According to its banner, the version of WS_FTP on the remote host is vulnerable to a remote denial of service. There is an error in the parsing of file paths. Exploitation of this flaw may cause a vulnerable system to use a large amount of CPU resources. See also : http://www.securityfocus.com/archive/1/373420 http://www.ipswitch.com/support/ws_ftp-server/releases/wr503.asp Solution : Upgrade to WS_FTP Server 5.03 or later. Risk factor : Low / CVSS Base Score : 3 (AV:R/AC:L/Au:NR/C:N/I:N/A:C/B:N)"; script_description(english:desc["english"]); summary["english"] = "Check WS_FTP server version"; script_summary(english:summary["english"]); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2004 David Maciejak"); family["english"] = "FTP"; family["francais"] = "FTP"; script_family(english:family["english"]); script_dependencie("find_service.nes", "ftp_anonymous.nasl", "ftpserver_detect_type_nd_version.nasl"); script_require_ports("Services/ftp", 21); exit(0); } # include ("ftp_func.inc"); port = get_kb_item("Services/ftp"); if(!port) port = 21; if (! get_port_state(port)) exit(0); banner = get_ftp_banner(port:port); if (egrep(pattern:"WS_FTP Server ([0-4]\.|5\.0\.[0-2][^0-9])", string: banner)) security_note(port);