Microsoft PowerPoint 2016 Multiple RCE Vulnerabilities (KB4011041)

# 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("1.3.6.1.4.1.25623.1.0.811753");
  script_version("2023-07-25T05:05:58+0000");
  script_cve_id("CVE-2017-8742", "CVE-2017-8743");
  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:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/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:"2017-09-29 18:58:00 +0000 (Fri, 29 Sep 2017)");
  script_tag(name:"creation_date", value:"2017-09-13 11:16:30 +0530 (Wed, 13 Sep 2017)");
  script_name("Microsoft PowerPoint 2016 Multiple RCE Vulnerabilities (KB4011041)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4011041");

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

  script_tag(name:"insight", value:"Multiple flaws exist due to an error in
  Microsoft Office because it fails to properly handle objects in memory.");

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

  script_tag(name:"affected", value:"Microsoft PowerPoint 2016.");

  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/4011041");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100741");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100746");
  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("SMB/Office/PowerPnt/Version", "MS/Office/Ver");
  script_require_ports(139, 445);
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4011041");
  exit(0);
}

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

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

path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                          item:"ProgramFilesDir");
if(!path){
  exit(0);
}

## Office Path
offPath = path + "\Microsoft Office\OFFICE16" ;


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

if(exeVer =~ "^16\." && version_is_less(version:exeVer, test_version:"16.0.4588.1000"))
{
  report = 'File checked:     ' + offPath + "\ppcore.dll"  + '\n' +
           'File version:     ' + exeVer  + '\n' +
           'Vulnerable range: ' + "16.0 - 16.0.4588.0999" + '\n' ;
  security_message(data:report);
  exit(0);
}
exit(0);