# # This script was written by Renaud Deraison # # See the Nessus Scripts License for details # # Ref: # From: "euronymous" # To: vuln@security.nnov.ru, bugtraq@securityfocus.com # Subject: Beanwebb Guestbook v1.0 vulnerabilities if(description) { script_id(11500); script_version ("$Revision$"); script_bugtraq_id(7232, 7231); name["english"] = "Beanwebb's guestbook"; script_name(english:name["english"]); desc["english"] = " The remote host is running Beanwebb's Guestbook. This set of CGI has two vulnerabilities : - Anyone can access the admin page (admin.php) - It is vulnerable to cross site scripting attacks (in add.php) An attacker may use these flaws to steal the cookies of your users or to inject fake information in the guestbook. Solution : Delete this package Risk factor : Low"; script_description(english:desc["english"]); summary["english"] = "Checks for the presence of admin.php"; script_summary(english:summary["english"]); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2003 Renaud Deraison", francais:"Ce script est Copyright (C) 2003 Renaud Deraison"); family["english"] = "CGI abuses"; family["francais"] = "Abus de CGI"; script_family(english:family["english"], francais:family["francais"]); script_dependencie("find_service.nes", "http_version.nasl"); script_require_ports("Services/www", 80); exit(0); } # # The script code starts here # include("http_func.inc"); include("http_keepalive.inc"); port = get_kb_item("Services/www"); if(!port) port = 80; if(!get_port_state(port))exit(0); gdir = make_list(cgi_dirs()); dirs = make_list("", "/guestbook"); foreach d (gdir) { dirs = make_list(dirs, string(d, "/guestbook"), d); } foreach dir (dirs) { req = http_get(item:string(dir, "/admin.php"), port:port); res = http_keepalive_send_recv(port:port, data:req); if( res == NULL ) exit(0); if(egrep(pattern:".*post.*admin\.php.*", string:res, icase:TRUE) && "Guestbook Admin" >< res) { security_warning(port); exit(0); } }