###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms08-074.nasl 641 2008-12-10 15:21:05Z dec $
#
# Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (959070)
#
# Authors:
# Chandan S <schandan@secpod.com>
#
# Copyright: SecPod
#
# 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_id(900061);
  script_version("$Revision: 1.0 $");
  script_cve_id("CVE-2008-4264", "CVE-2008-4265", "CVE-2008-4266");
  script_bugtraq_id(32618, 32621, 32622);
  script_name(english:"Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (959070)");
  desc["english"] = "

  Overview: This host has critical security update missing according to
  Microsoft Bulletin MS08-074.

  Vulnerability Insight:
  The flaws are caused due to,
  - an error while validating an index value in a NAME record.
  - an error in the processing of Excel records.
  - an error in the processing of Excel formula.

  Impact:
  Successful exploitation could execute arbitrary code on the remote system
  and corrupt memory via a specially crafted Excel Spreadsheet (XLS) file.

  Impact Level: System

  Affected Software/OS: Microsoft Windows 2K/XP/2003

  Fix:
  Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link.
  http://www.microsoft.com/technet/security/bulletin/ms08-074.mspx

  References:
  http://www.microsoft.com/technet/security/bulletin/ms08-074.mspx

  CVSS Score:
    CVSS Base Score     : 9.3 (AV:N/AC:M/Au:NR/C:C/I:C/A:C)
    CVSS Temporal Score : 6.9
  Risk factor : High";

  script_description(english:desc["english"]);
  script_summary(english:"Check for the vulnerable File Version");
  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Copyright (C) 2008 SecPod");
  script_family(english:"Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl",
                      "secpod_ms_office_detection_900025.nasl");
  script_require_keys("SMB/WindowsVersion", "SMB/Office/Word/Version");
  exit(0);
}


include("version_func.inc");

if(!get_kb_item("SMB/WindowsVersion")){
  exit(0);
}

if(egrep(pattern:"^(9|10|11|12)\..*", string:get_kb_item("MS/Office/Ver")))
{
  excelVer = get_kb_item("SMB/Office/Excel/Version");
  if(!excelVer){
    exit(0);
  }

  if(version_in_range(version:excelVer, test_version:"9.0",
                      test_version2:"9.0.8973")){
    security_hole(0);
  }
  else if(version_in_range(version:excelVer, test_version:"10.0",
                           test_version2:"10.0.6849")){
    security_hole(0);
  }
  else if(version_in_range(version:excelVer, test_version:"11.0",
                           test_version2:"11.0.8236")){
    security_hole(0);
  }
  else if(version_in_range(version:excelVer, test_version:"12.0",
                           test_version2:"12.0.6331.4999")){
    security_hole(0);
  }
}