Windows Kernel-Mode Drivers Remote Code Execution Vulnerability (2617657)

# Copyright (C) 2011 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("1.3.6.1.4.1.25623.1.0.902485");
  script_version("2022-05-25T07:40:23+0000");
  script_cve_id("CVE-2011-2004");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");
  script_tag(name:"last_modification", value:"2022-05-25 07:40:23 +0000 (Wed, 25 May 2022)");
  script_tag(name:"creation_date", value:"2011-11-09 09:06:04 +0530 (Wed, 09 Nov 2011)");
  script_name("Windows Kernel-Mode Drivers Remote Code Execution Vulnerability (2617657)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2617657");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-084");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"impact", value:"Successful exploitation could allow local attackers to gain elevated
  privileges or to run arbitrary code in kernel mode and take complete control
  of an affected system. An attacker could then install programs view, change,
  or delete data or create new accounts with full administrative rights.");

  script_tag(name:"affected", value:"Microsoft Windows 7 Service Pack 1 and prior.");

  script_tag(name:"insight", value:"The flaw is due to an array-indexing error in 'Win32k.sys' when
  parsing TrueType font files, which can be exploited by attackers to cause
  a denial of service.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"summary", value:"This host has moderate security update missing according to
  Microsoft Bulletin MS11-084.");

  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

if(hotfix_check_sp(win7:2) <= 0){
  exit(0);
}

## MS11-084 Hotfix (2617657)
if(hotfix_missing(name:"2617657") == 0){
  exit(0);
}

sysPath = smb_get_systemroot();
if(!sysPath){
  exit(0);
}

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Win32k.sys");
if(!sysVer){
  exit(0);
}

if(hotfix_check_sp(win7:2) > 0)
{
  if(version_in_range(version:sysVer, test_version:"6.1.7600.16000", test_version2:"6.1.7600.16888")||
     version_in_range(version:sysVer, test_version:"6.1.7600.20000", test_version2:"6.1.7600.21059")||
     version_in_range(version:sysVer, test_version:"6.1.7601.17000", test_version2:"6.1.7601.17696")||
     version_in_range(version:sysVer, test_version:"6.1.7601.21000", test_version2:"6.1.7601.21827")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}