WebNMS 5.2 / 5.2 SP1 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2016 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

CPE = "cpe:/a:zohocorp:webnms";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106242");
  script_version("2023-07-20T05:05:17+0000");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-09-13 17:11:16 +0700 (Tue, 13 Sep 2016)");
  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_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-10-09 20:00:00 +0000 (Tue, 09 Oct 2018)");

  script_cve_id("CVE-2016-6600", "CVE-2016-6601", "CVE-2016-6602", "CVE-2016-6603");

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

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

  script_name("WebNMS 5.2 / 5.2 SP1 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_webnms_detect.nasl");
  script_require_ports("Services/www", 9090);
  script_mandatory_keys("webnms/installed");

  script_tag(name:"summary", value:"WebNMS Framework 5.2 / 5.2 SP1 is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if FileUploadServlet is accessible.");

  script_tag(name:"insight", value:"WebNMS Framework allows unauthenticated remote attackers to:

  - upload a JSP file by using a directory traversal attack on the FileUploadServlet servlet and gain remote code execution
  under the user which the WebNMS server is running.

  - allows context-dependent attackers to obtain cleartext passwords by leveraging access to WEB-INF/conf/securitydbData.xml.

  - read arbitrary files via a .. (dot dot) in the fileName parameter to servlets/FetchFile.

  - bypass authentication and impersonate arbitrary users via the UserName HTTP header.");

  script_tag(name:"impact", value:"An unauthenticated remote attacker may execute arbitrary code under the
  user which the WebNMS server is running and to gain access to sensitive data on the host.");

  script_tag(name:"affected", value:"WebNMS Framework Server 5.2 and 5.2 SP1");

  script_tag(name:"solution", value:"See the referenced for a mitigation procedure.");

  script_xref(name:"URL", value:"https://forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the-server-against-them");
  script_xref(name:"URL", value:"https://blogs.securiteam.com/index.php/archives/2712");
  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/40229/");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE)) exit(0);
if (!dir = get_app_location(cpe: CPE, port: port)) exit(0);

if (dir == "/") dir = "";
url = dir + "/servlets/FileUploadServlet";

req = http_get(port: port, item: url);
res = http_keepalive_send_recv(port: port, data: req, bodyonly: FALSE);

# The servlet seems to only allow PUT requests
if (res =~ "^HTTP/1\.[01] 405") {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(0);