# This script is (C) Noam Rathaus # # Script audit and contributions from Carmichael Security # Erik Anderson # Added BugtraqID, deleted link as it is provided in Bugtraq exploits section if (description) { script_id(10779); script_version ("$Revision$"); script_bugtraq_id(6141); script_name(english:"CGIEmail's CGICso (Send CSO via CGI) Command Execution Vulnerability"); desc["english"] = " The remote host seems to be vulnerable to a security problem in CGIEmail (cgicso). The vulnerability is caused by inadequate processing of queries by CGIEmail's cgicso and results in a command execution vulnerability. Impact: The server can be compromised by executing commands as the web server's running user (usually 'nobody'). Solution: Modify cgicso.h to contain a strict setting of your finger host. Example: Define the following in cgicso.h: #define CGI_CSO_HARDCODE #define CGI_CSO_FINGERHOST 'localhost' Risk factor : High"; script_description(english:desc["english"]); script_summary(english:"Determine if a remote host is vulnerable to the cgicso vulnerability"); script_category(ACT_GATHER_INFO); script_family(english:"CGI abuses", francais:"Abus de CGI"); script_copyright(english:"This script is Copyright (C) 2001 SecurITeam"); script_dependencie("find_service.nes", "no404.nasl"); script_require_ports("Services/www", 80); exit(0); } 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); dir = cgi_dirs(); for (i = 0; dir[i] ; i = i + 1) { data = string(dir[i], "/cgicso?query=AAA"); req = http_get(item:data, port:port); buf = http_keepalive_send_recv(port:port, data:req); if ("400 Required field missing: fingerhost" >< buf) { security_hole(port:port); exit(0); } }