Microsoft Windows Patterns & Practices EntLib DOS Vulnerability

# Copyright (C) 2009 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900957");
  script_version("2022-02-22T15:13:46+0000");
  script_tag(name:"last_modification", value:"2022-02-22 15:13:46 +0000 (Tue, 22 Feb 2022)");
  script_tag(name:"creation_date", value:"2009-09-29 09:16:03 +0200 (Tue, 29 Sep 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cve_id("CVE-2009-3275");
  script_name("Microsoft Windows Patterns & Practices EntLib DOS Vulnerability");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/506453/100/0/threaded");
  script_xref(name:"URL", value:"http://www.checkmarx.com/Upload/Documents/PDF/Checkmarx_OWASP_IL_2009_ReDoS.pdf");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Denial of Service");
  script_dependencies("secpod_ms_wpp_enterprise_library_detect.nasl");
  script_mandatory_keys("MS/WPP/EntLib/Ver");

  script_tag(name:"impact", value:"Successful attack could allow attackers to crash application or CPU consumption
  and to cause denial of service.");

  script_tag(name:"affected", value:"Microsoft Windows Patterns & Practices Enterprise Library 3.1, 4.0 and 4.1.");

  script_tag(name:"insight", value:"An error occurs in Blocks/Common/Src/Configuration/Manageability/Adm/
  AdmContentBuilder.cs while processing an input string composed of many '\' ie
  backslash characters followed by a double quote related to a certain regular
  expression.");

  script_tag(name:"solution", value:"Upgrade to Microsoft Windows Patterns & Practices Enterprise Library 5.0
  or later.");

  script_tag(name:"summary", value:"Microsoft Windows Patterns & Practices Enterprise
  Library is prone to a denial of service (DoS) vulnerability.");

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

  exit(0);
}

include("version_func.inc");

entlibVer = get_kb_item("MS/WPP/EntLib/Ver");
if(isnull(entlibVer)){
  exit(0);
}

if(version_is_equal(version:entlibVer, test_version:"3.1.0.0") ||
   version_is_equal(version:entlibVer, test_version:"4.0.0.0") ||
   version_is_equal(version:entlibVer, test_version:"4.1.0.0")){
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}