CSNews.cgi Information Disclosure / Privilege Escalation Vulnerability - Active Check

# SPDX-FileCopyrightText: 2005 John Lampe
# 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

CPE = "cpe:/a:microsoft:internet_information_services";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11726");
  script_version("2023-10-10T05:05:41+0000");
  script_tag(name:"last_modification", value:"2023-10-10 05:05:41 +0000 (Tue, 10 Oct 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/4994");
  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_cve_id("CVE-2002-0923");
  script_name("CSNews.cgi Information Disclosure / Privilege Escalation Vulnerability - Active Check");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2005 John Lampe");
  script_family("Web application abuses");
  script_dependencies("gb_microsoft_iis_http_detect.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("microsoft/iis/http/detected");

  script_tag(name:"solution", value:"Remove it from the cgi-bin or scripts directory.");

  script_tag(name:"summary", value:"The CSNews.cgi exists on this webserver. Some versions of this file
  are vulnerable to remote exploit.");

  script_tag(name:"impact", value:"An attacker may make use of this file to gain access to
  confidential data or escalate their privileges on the Web server.");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_tag(name:"solution_type", value:"Mitigation");

  exit(0);
}

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

# nb: No get_app_location() as IIS is not "directly" affected and the initial version of
# this VT had only checked for the banner of IIS.
if(!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

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

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

  url = dir + "/csNews.cgi";

  if(http_is_cgi_installed_ka(item:url, port:port)) {
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);