Microsoft Office Compatibility Pack Remote Code Execution Vulnerabilities (3048019)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.805063");
  script_version("2026-04-28T06:28:06+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-2015-1641", "CVE-2015-1650", "CVE-2015-1649", "CVE-2015-1651");
  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:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2024-07-24 17:06:41 +0000 (Wed, 24 Jul 2024)");
  script_tag(name:"creation_date", value:"2015-04-15 11:22:19 +0530 (Wed, 15 Apr 2015)");
  script_name("Microsoft Office Compatibility Pack Remote Code Execution Vulnerabilities (3048019)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft Bulletin MS15-033.");

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

  script_tag(name:"insight", value:"Multiple flaws are exists when,

  - The Office software improperly handles objects in memory while parsing
    specially crafted Office files.

  - The Office software fails to properly handle rich text format files in
    memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to run arbitrary code in the context of the current user and
  to perform actions in the security 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/kb/2965210");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/ms15-033");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("SMB/Office/WordCnv/Version");
  script_require_ports(139, 445);
  script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms15-033");
  exit(0);
}

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

wordcnvVer = get_kb_item("SMB/Office/WordCnv/Version");
if(wordcnvVer && wordcnvVer =~ "^12.*")
{
  # Office Word Converter
  path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                              item:"ProgramFilesDir");
  if(path)
  {
    sysVer = fetch_file_version(sysPath:path + "\Microsoft Office\Office12", file_name:"Wordcnv.dll");
    if(sysVer)
    {
      if(version_in_range(version:sysVer, test_version:"12.0", test_version2:"12.0.6720.4999"))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }
    }
  }
}