Acritum Femitter Server HTTP Request Remote File Disclosure Vulnerability

# SPDX-FileCopyrightText: 2009 Greenbone AG
# 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("1.3.6.1.4.1.25623.1.0.100304");
  script_version("2023-07-27T05:05:08+0000");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:08 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2009-10-15 20:14:59 +0200 (Thu, 15 Oct 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_name("Acritum Femitter Server HTTP Request Remote File Disclosure Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_family("Web Servers");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("find_service.nasl", "httpver.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36656");

  script_tag(name:"summary", value:"Acritum Femitter Server is prone to a remote file-disclosure
  vulnerability because it fails to properly sanitize user-supplied input.");

  script_tag(name:"impact", value:"An attacker can exploit this vulnerability to view the source code of
  the files in the context of the server process. This may aid in
  further attacks.");

  script_tag(name:"affected", value:"Acritum Femitter Server 1.03 is affected. Other versions may be
  vulnerable as well.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the
  disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to
  upgrade to a newer release, disable respective features, remove the product or replace the product by
  another one.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_vul");

  exit(0);
}

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

port = http_get_port(default:80);
host = http_host_name( dont_add_port:TRUE );

files = http_get_kb_file_extensions( port:port, host:host, ext:"htm*" );
if(!files) {
  file = "/index.htm";
} else {
  files = make_list(files);
  file  = files[0];
}

url = file;
buf = http_get_cache(item:url, port:port);

if(egrep(pattern: "Content-Type", string: buf, icase: TRUE)) {

  content_typ = eregmatch(pattern:"Content-Type: ([a-zA-Z/-]+)",string:buf);

  if(content_typ) {

    url = string(file,".");
    req = http_get(item:url, port:port);
    buf = http_keepalive_send_recv(port:port, data:req, bodyonly:FALSE);
    if(!buf)
      exit(0);

    if(egrep(pattern: "Content-Type", string: buf, icase: TRUE)) {
      content_typ1 = eregmatch(pattern:"Content-Type: ([a-zA-Z/-]+)",string:buf);
      if(content_typ[1] >!< content_typ1[1] && "application/binary" >< content_typ1[1]) {
        report = http_report_vuln_url(port:port, url:url);
        security_message(port:port, data:report);
        exit(0);
      }
    }
  }
}

exit(0);