CGIEmail's CGICso (Send CSO via CGI) Command Execution Vulnerability

# SPDX-FileCopyrightText: 2001 Noam Rathaus
# SPDX-FileCopyrightText: 2001 SecurITeam
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.10779");
  script_version("2023-09-06T05:05:19+0000");
  script_tag(name:"last_modification", value:"2023-09-06 05:05:19 +0000 (Wed, 06 Sep 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_cve_id("CVE-2002-1652");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/6141");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("CGIEmail's CGICso (Send CSO via CGI) Command Execution Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2001 SecurITeam & Copyright (C) 2001 Noam Rathaus");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"impact", value:"The server can be compromised by executing commands as the web server's
  running user (usually 'nobody').");

  script_tag(name:"solution", value:"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'");

  script_tag(name:"summary", value:"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.");

  script_tag(name:"qod_type", value:"remote_analysis");

  script_tag(name:"solution_type", value:"Workaround");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("list_array_func.inc");

port = http_get_port( default:80 );

foreach dir( make_list_unique( "/", http_cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";

  url = dir +  "/cgicso?query=AAA";
  req = http_get( item:url, port:port );
  buf = http_keepalive_send_recv( port:port, data:req );

  if( "400 Required field missing: fingerhost" >< buf ) {
    report = http_report_vuln_url( port:port, url:url );
    security_message( port:port, data:report );
    exit( 0 );
  }
}

exit( 0 );