# This script was written by David Maciejak # based on work from # (C) Tenable Network Security # # This script is released under the GNU GPLv2 if(description) { script_id(14302); script_cve_id("CVE-1999-0081"); if ( defined_func("script_xref") ) script_xref(name:"OSVDB", value:"8717"); script_version ("$Revision: 1.3 $"); name["english"] = "wu-ftpd rnfr file overwrite"; script_name(english:name["english"], francais:name["francais"]); desc["english"] = " The remote Wu-FTPd server seems to be vulnerable to a remote flaw. This version contains a flaw that may allow a malicious user to overwrite arbitrary files. The issue is triggered when an attacker sends a specially formatted rnfr command. This flaw will allow a remote attacker to overwrite any file on the system. *** Nessus solely relied on the banner of the remote server *** to issue this warning, so it may be a false positive. Solution : Upgrade to Wu-FTPd 2.4.2 or newer Risk factor : High"; script_description(english:desc["english"]); script_summary(english:"Checks the banner of the remote wu-ftpd server"); script_category(ACT_GATHER_INFO); script_family(english:"FTP"); script_copyright(english:"This script is Copyright (C) 2004 David Maciejak"); script_dependencie("find_service.nes", "ftpserver_detect_type_nd_version.nasl", "ftp_anonymous.nasl"); script_require_keys("ftp/login", "ftp/wuftpd"); script_require_ports("Services/ftp", 21); exit(0); } # # The script code starts here : # include("ftp_func.inc"); #login = get_kb_item("ftp/login"); #pass = get_kb_item("ftp/password"); port = get_kb_item("Services/ftp"); if(!port) port = 21; if (! get_port_state(port)) exit(0); banner = get_ftp_banner(port: port); if( banner == NULL ) exit(0); if(egrep(pattern:".*wu-(2\.([0-3]\.|4\.[01])).*", string:banner)) security_hole(port);