Microsoft Windows BranchCache Remote Code Execution Vulnerability (2385678)

# Copyright (C) 2010 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("1.3.6.1.4.1.25623.1.0.902280");
  script_version("2021-09-01T09:31:49+0000");
  script_tag(name:"last_modification", value:"2021-09-01 09:31:49 +0000 (Wed, 01 Sep 2021)");
  script_tag(name:"creation_date", value:"2010-12-15 14:53:45 +0100 (Wed, 15 Dec 2010)");
  script_cve_id("CVE-2010-3966");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_name("Microsoft Windows BranchCache Remote Code Execution Vulnerability (2385678)");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2010/3218");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-095");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 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 will allow attackers to execute arbitrary code by
  tricking a user into opening a file from a network share.");

  script_tag(name:"affected", value:"Microsoft Windows 7.");

  script_tag(name:"insight", value:"The issue is caused by an error when loading libraries from the current
  working directory on platforms that do not support the BranchCache
  functionality.");

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

  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS10-095.");

  script_tag(name:"qod_type", value:"registry");
  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(win7:1) <= 0){
  exit(0);
}

## MS10-095 Hotfix (2385678)
if(hotfix_missing(name:"2385678") == 0){
  exit(0);
}

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

dllPath = sysPath + "\system32\Webio.dll";
share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:dllPath);
file = ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1", string:dllPath);

dllVer = GetVer(file:file, share:share);
if(!dllVer){
  exit(0);
}

if(hotfix_check_sp(win7:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.1.7600.16688")){
    report = report_fixed_ver(installed_version:dllVer, fixed_version:"6.1.7600.16688", install_path:dllPath);
    security_message(port:0, data:report);
  }
}