Microsoft Office 2010 Service Pack 2 Remote Code Execution Vulnerability (KB3213631)

# 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("1.3.6.1.4.1.25623.1.0.811743");
  script_version("2026-04-28T06:28:06+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:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  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 09:02:09 +0530 (Wed, 13 Sep 2017)");
  script_name("Microsoft Office 2010 Service Pack 2 Remote Code Execution Vulnerability (KB3213631)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB3213631");

  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 an attacker who
  successfully exploited this vulnerability to take control of the affected system.");

  script_tag(name:"affected", value:"Microsoft Office 2010 Service Pack 2.");

  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/3213631");
  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("host_details.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

offVer = get_kb_item("MS/Office/Ver");
if(!offVer || offVer !~ "^14\."){
  exit(0);
}

msPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                            item:"CommonFilesDir");
if(msPath)
{
  msPath =  msPath +  "\Microsoft Office\OFFICE14";
  msdllVer = fetch_file_version(sysPath:msPath, file_name:"Usp10.dll");
  if(!msdllVer){
    exit(0);
  }

  if(version_is_less(version:msdllVer, test_version:"1.0626.7601.23883"))
  {
    report = 'File checked:     ' + msPath + "\Usp10.dll" + '\n' +
             'File version:     ' + msdllVer  + '\n' +
             'Vulnerable range: ' + "Less than 1.0626.7601.23883" + '\n' ;
    security_message(data:report);
    exit(0);
  }
}
exit(0);