DotNetNuke 2.0 <= 4.8.4 Skin Files Security Bypass 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

CPE = "cpe:/a:dotnetnuke:dotnetnuke";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800685");
  script_version("2025-12-17T05:46:28+0000");
  script_tag(name:"last_modification", value:"2025-12-17 05:46:28 +0000 (Wed, 17 Dec 2025)");
  script_tag(name:"creation_date", value:"2009-09-03 16:18:01 +0200 (Thu, 03 Sep 2009)");
  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-2008-7102");

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

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

  script_name("DotNetNuke 2.0 <= 4.8.4 Skin Files Security Bypass Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_dotnetnuke_consolidation.nasl");
  script_mandatory_keys("dotnetnuke/detected");

  script_tag(name:"summary", value:"DotNetNuke is prone to a security bypass vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The vulnerability is caused due improper validation of user
  data passed via unspecified parameters before being used to load skin files.");

  script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to gain
  administrative privileges or compromise the affected system.");

  script_tag(name:"affected", value:"DotNetNuke versions 2.0 through 4.8.4.");

  script_tag(name:"solution", value:"Update to version 4.9.0 or later.");

  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/45077");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/31145");
  script_xref(name:"URL", value:"http://www.dotnetnuke.com/News/SecurityPolicy/Securitybulletinno23/tabid/1176/Default.aspx");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_in_range(version: version, test_version: "2.0", test_version2: "4.8.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.9.0", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);