Microsoft Office Graphics Component Remote Code Execution Vulnerability (KB3213649)

# SPDX-FileCopyrightText: 2017 Greenbone AG
# 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-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811329");
  script_version("2023-07-14T16:09:27+0000");
  script_cve_id("CVE-2017-8696");
  script_tag(name:"cvss_base", value:"7.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-09-21 18:47:00 +0000 (Thu, 21 Sep 2017)");
  script_tag(name:"creation_date", value:"2017-09-13 16:39:23 +0530 (Wed, 13 Sep 2017)");
  script_name("Microsoft Office Graphics Component Remote Code Execution Vulnerability (KB3213649)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB3213649");

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

  script_tag(name:"insight", value:"The flaw exists due to the way Windows
  Uniscribe handles objects in memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to gain access to potentially sensitive information and execute
  arbitrary code in the context of current user.");

  script_tag(name:"affected", value:"Microsoft Office 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/3213649");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100780");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("MS/Office/Ver");
  script_require_ports(139, 445);
  exit(0);
}

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

offVer = get_kb_item("MS/Office/Ver");
if(!offVer || offVer !~ "^12\."){
  exit(0);
}

offPath = registry_get_sz(key:"SOFTWARE\Microsoft\Office\12.0\Common\InstallRoot",
                          item:"Path");
if(!offPath){
  exit(0);
}

msdllVer = fetch_file_version(sysPath:offPath, file_name:"Usp10.dll");
if(!msdllVer){
  exit(0);
}

if(version_is_less(version:msdllVer, test_version:"1.626.6002.24173"))
{
  report = 'File checked:     ' + offPath + "Usp10.dll" + '\n' +
           'File version:     ' + msdllVer  + '\n' +
           'Vulnerable range: ' + "Less than 1.626.6002.24173" + '\n' ;
  security_message(data:report);
  exit(0);
}
exit(0);