Microsoft Excel 2007 Service Pack 3 Remote Code Execution Vulnerability (KB4011602)

###############################################################################
# OpenVAS Vulnerability Test
#
# Microsoft Excel 2007 Service Pack 3 Remote Code Execution Vulnerability (KB4011602)
#
# Authors:
# Shakeel <[email protected]>
#
# Copyright:
# Copyright (C) 2018 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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("1.3.6.1.4.1.25623.1.0.812612");
  script_version("2020-06-04T11:13:22+0000");
  script_cve_id("CVE-2018-0796");
  script_bugtraq_id(102372);
  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_tag(name:"last_modification", value:"2020-06-04 11:13:22 +0000 (Thu, 04 Jun 2020)");
  script_tag(name:"creation_date", value:"2018-01-10 10:12:54 +0530 (Wed, 10 Jan 2018)");
  script_name("Microsoft Excel 2007 Service Pack 3 Remote Code Execution Vulnerability (KB4011602)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4011602");

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

  script_tag(name:"insight", value:"The flaw exists as the software fails to
  properly handle objects in memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to run arbitrary code in the context of the current user.");

  script_tag(name:"affected", value:"Microsoft Excel 2007 Service Pack 3.");

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

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4011602");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("SMB/Office/Excel/Version");

  exit(0);
}

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

excelVer = get_kb_item("SMB/Office/Excel/Version");
if(!excelVer){
  exit(0);
}

excelPath = get_kb_item("SMB/Office/Excel/Install/Path");
if(!excelPath){
  excelPath = "Unable to fetch the install path";
}

if(excelVer =~ "^(12\.)" && version_is_less(version:excelVer, test_version:"12.0.6784.5000"))
{
  report = report_fixed_ver(file_checked:excelPath + "Excel.exe",
                            file_version:excelVer, vulnerable_range:"12.0 - 12.0.6784.4999");
  security_message(data:report);
  exit(0);
}
exit(0);