Microsoft Office Compatibility Pack Service Pack 3 Multiple RCE Vulnerabilities (KB4011607)

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.812614");
  script_version("2023-11-03T16:10:08+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2018-0793", "CVE-2018-0794", "CVE-2018-0797", "CVE-2018-0798",
                "CVE-2018-0801", "CVE-2018-0802", "CVE-2018-0804", "CVE-2018-0805",
                "CVE-2018-0806", "CVE-2018-0807", "CVE-2018-0812", "CVE-2018-0845",
                "CVE-2018-0848", "CVE-2018-0849", "CVE-2018-0862");
  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:"2023-11-03 16:10:08 +0000 (Fri, 03 Nov 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/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:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
  script_tag(name:"creation_date", value:"2018-01-10 10:40:59 +0530 (Wed, 10 Jan 2018)");
  script_name("Microsoft Office Compatibility Pack Service Pack 3 Multiple RCE Vulnerabilities (KB4011607)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB4011607");

  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 the way that Microsoft Outlook parses specially crafted email
    messages.

  - Multiple errors in Microsoft Office because it fails to properly handle objects in memory.

  - An error in Microsoft Office software when the Office software fails to
    properly handle RTF files.");

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

  script_tag(name:"affected", value:"Microsoft Office Compatibility Pack 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/4011607");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("SMB/Office/ComptPack/Version", "SMB/Office/WordCnv/Version");
  script_require_ports(139, 445);

  exit(0);
}

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

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

comptpckVer = get_kb_item("SMB/Office/ComptPack/Version");

if(comptpckVer && comptpckVer =~ "^12\.")
{
  wordcnvVer = get_kb_item("SMB/Office/WordCnv/Version");
  if(wordcnvVer && wordcnvVer =~ "^12\.")
  {
    offpath = path + "\Microsoft Office\Office12";

    sysVer = fetch_file_version(sysPath:offpath, file_name:"wordcnv.dll");
    if(sysVer)
    {
      if(version_in_range(version:sysVer, test_version:"12.0", test_version2:"12.0.6784.4999"))
      {
        report = report_fixed_ver(file_checked:offpath + "\wordcnv.dll",
                                  file_version:sysVer, vulnerable_range:"12.0 - 12.0.6784.4999");
        security_message(data:report);
        exit(0);
      }
    }
  }
}
exit(0);