Microsoft Office Excel Remote Code Execution Vulnerabilities (2587505)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms11-072.nasl 6523 2017-07-04 15:46:12Z cfischer $
#
# Microsoft Office Excel Remote Code Execution Vulnerabilities (2587505)
#
# Authors:
# Madhuri D <[email protected]>
#
# Copyright:
# Copyright (c) 2011 SecPod, http://www.secpod.com
#
# 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.
###############################################################################

tag_impact = "Successful exploitation could allow attackers to execute arbitrary code
  with the privileges of the user running the affected application.
  Impact Level: System/Application";
tag_affected = "Microsoft Excel 2003 Service Pack 3
  Microsoft Excel 2007 Service Pack 2
  Microsoft Office 2007 Service Pack 2
  Microsoft Excel Viewer Service Pack 2
  Microsoft Excel 2010 Service Pack 1 and prior
  Microsoft Office 2010 Service Pack 1 and prior
  Excel Services installed on Microsoft Office SharePoint Server 2007 Service Pack 2
  Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2";
tag_insight = "The flaws are caused by memory corruption, array-indexing and use-after-free
  errors when handling the crafted Excel files.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,
  http://technet.microsoft.com/en-us/security/bulletin/ms11-072";
tag_summary = "This host is missing an important security update according to
  Microsoft Bulletin MS11-072.";

if(description)
{
  script_id(902727);
  script_version("$Revision: 6523 $");
  script_tag(name:"last_modification", value:"$Date: 2017-07-04 17:46:12 +0200 (Tue, 04 Jul 2017) $");
  script_tag(name:"creation_date", value:"2011-09-14 16:05:49 +0200 (Wed, 14 Sep 2011)");
  script_cve_id("CVE-2011-1986", "CVE-2011-1987", "CVE-2011-1988",
                "CVE-2011-1989", "CVE-2011-1990");
  script_bugtraq_id(49476, 49477, 49478, 49518, 49517);
  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 Office Excel Remote Code Execution Vulnerabilities (2587505)");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl", "secpod_ms_office_detection_900025.nasl");
  script_mandatory_keys("SMB/Office/Excel/Version", "MS/Office/Ver", "SMB/Office/XLView/Version");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/45932/");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2553072");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2553073");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2553089");
  script_xref(name : "URL" , value : "http://technet.microsoft.com/en-us/security/bulletin/ms11-072");
  exit(0);
}

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

# Check for Office Excel 2003/2007/2010
excelVer = get_kb_item("SMB/Office/Excel/Version");
if(excelVer =~ "^(11|12|14)\..*")
{
  # Check version Excel.exe
  if(version_in_range(version:excelVer, test_version:"11.0", test_version2:"11.0.8340.0") ||
     version_in_range(version:excelVer, test_version:"12.0", test_version2:"12.0.6565.5002") ||
     version_in_range(version:excelVer, test_version:"14.0", test_version2:"14.0.6106.5004"))
  {
    security_message(0);
    exit(0);
  }
}

# Microsoft Office Excel Viewer 2007
excelVer = get_kb_item(name:"SMB/Office/XLView/Version");
if(!isnull(excelVer))
{
  # check for Xlview.exe  version
  if(version_in_range(version:excelVer, test_version:"12.0", test_version2:"12.0.6565.4999"))
  {
    security_message(0);
    exit(0);
  }
}

# Check for Office Compatibility Pack 2007
if(get_kb_item("SMB/Office/ComptPack/Version") =~ "^12\..*")
{
  xlcnvVer = get_kb_item("SMB/Office/XLCnv/Version");
  if(xlcnvVer)
  {
    # Check for Office Excel Converter 2007 version 12.0 < 12.0.6565.5003
    if(version_in_range(version:xlcnvVer, test_version:"12.0", test_version2:"12.0.6565.5002"))
    {
      security_message(0);
      exit(0);
    }
  }
}

# Microsoft Office 2007 Service Pack 2 and
# Microsoft Office 2010 Service Pack 1 and prior
if(get_kb_item("MS/Office/Ver") =~ "^[12|14].*")
{
  ## Get the file version
  path12 = registry_get_sz(key:"SOFTWARE\Microsoft\Office\12.0\Access\InstallRoot",
                            item:"Path");
  if(path12)
  {
    ## Get the file versions
    ort12Ver = fetch_file_version(sysPath:path12, file_name:"Oart.dll");
    ortconv12Ver = fetch_file_version(sysPath:path12, file_name:"Oartconv.dll");
    if(!isnull(ort12Ver) || !isnull(ortconv12Ver))
    {
      ## Check the Oart.dll and Oartconv.dll files version
      if(version_in_range(version:ort12Ver, test_version:"12", test_version2:"12.0.6565.4999") ||
         version_in_range(version:ortconv12Ver, test_version:"12", test_version2:"12.0.6565.4999"))
      {
        security_message(0);
        exit(0);
      }
    }
  }

  ## Get the file version
  path14 = registry_get_sz(key:"SOFTWARE\Microsoft\Office\14.0\Access\InstallRoot",
                            item:"Path");
  if(path14)
  {
    ## Get the file versions
    ort14Ver = fetch_file_version(sysPath:path14, file_name:"Oart.dll");
    ortconv14Ver = fetch_file_version(sysPath:path14, file_name:"Oartconv.dll");
    if(!isnull(ort14Ver) || !isnull(ortconv14Ver))
    {
      ## Check the Oart.dll and Oartconv.dll files version
      if(version_in_range(version:ort14Ver, test_version:"14", test_version2:"14.0.6106.5004") ||
         version_in_range(version:ortconv14Ver, test_version:"14", test_version2:"14.0.6106.5004"))
      {
        security_message(0);
        exit(0);
      }
    }
  }
}

## Microsoft Office Share Point server
## Check for the existence of the server
key = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\";
if(!registry_key_exists(key:key)) {
    exit(0);
}

foreach item (registry_enum_keys(key:key))
{
  appName = registry_get_sz(item:"DisplayName", key:key + item);
  if("Microsoft Office SharePoint Server 2007" >< appName)
  {
    dllPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                           item:"CommonFilesDir");
    if(dllPath)
    {
      dllPath += "\System\Ole DB";
      dllVer = fetch_file_version(sysPath:dllPath, file_name:"Msmdcb80.dll");
      if(dllVer)
      {
        ## Grep for Msmdcb80.dll versions
        if(version_in_range(version:dllVer, test_version:"8.0", test_version2:"8.0.2277.0")){
          security_message(0);
        }
      }
    }
  }
}