Microsoft Office Web Apps Remote Code Execution vulnerability (2904244)

# SPDX-FileCopyrightText: 2014 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

CPE = "cpe:/a:microsoft:office_web_apps";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.903334");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2013-5059");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2014-01-09 13:37:06 +0530 (Thu, 09 Jan 2014)");
  script_name("Microsoft Office Web Apps Remote Code Execution vulnerability (2904244)");

  script_tag(name:"summary", value:"This host is missing an important security update according to Microsoft
  Bulletin MS13-100.");

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

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"insight", value:"Flaws is due to some input sanitisation errors related to SharePoint content");

  script_tag(name:"affected", value:"Microsoft Office Web Apps 2013.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute arbitrary code with
  the privileges of the W3WP service account.");

  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-100");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/64081");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_ms_office_web_apps_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/Office/Web/Apps/Ver");

  exit(0);
}

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

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) ) exit( 0 );
webappVer = infos["version"];
path = infos["location"];
if(!path || "Could not find the install location" >< path){
  exit(0);
}

## Microsoft Office Web Apps 2013
if(webappVer =~ "^15\..*")
{
  path = path + "\15.0\WebServices\ConversionServices";

  dllVer = fetch_file_version(sysPath:path, file_name:"msoserver.dll");
  if(dllVer)
  {
    if(version_in_range(version:dllVer, test_version:"15.0", test_version2:"15.0.4551.1006"))
    {
      security_message( port: 0, data: "The target host was found to be vulnerable" );
      exit(0);
    }
  }
}

exit(99);