Microsoft SharePoint Foundation Privilege Elevation Vulnerability (3191914)

# 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

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811035");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2017-0255");
  script_tag(name:"cvss_base", value:"3.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:N/I:P/A:N");
  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:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-05-23 19:51:00 +0000 (Tue, 23 May 2017)");
  script_tag(name:"creation_date", value:"2017-05-10 14:25:39 +0530 (Wed, 10 May 2017)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft SharePoint Foundation Privilege Elevation Vulnerability (3191914)");

  script_tag(name:"summary", value:"This host is missing an important security
  update for Microsoft SharePoint Foundation according to Microsoft KB3191914");

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

  script_tag(name:"insight", value:"The flaw exists as SharePoint Server does not
  properly sanitize a specially crafted web request to an affected SharePoint
  server.");

  script_tag(name:"impact", value:"Successful exploitation will allow an
  attacker to perform cross-site scripting attacks on affected systems and run
  script in the security context of the current user. These attacks could allow
  the attacker to read content that the attacker is not authorized to read, use
  the victim's identity to take actions on the SharePoint site on behalf of the
  victim, such as change permissions and delete content, and inject malicious
  content in the browser of the victim.");

  script_tag(name:"affected", value:"Microsoft SharePoint Foundation 2013 Service Pack 1.");

  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_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/3191914");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98107");
  script_xref(name:"URL", value:"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0255");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_microsoft_sharepoint_smb_login_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("microsoft/sharepoint/foundation/smb-login/detected");
  exit(0);
}

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

if(isnull(port = get_app_port(cpe:CPE, service:"smb-login")))
  exit(0);

if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE))
  exit(0);

shareVer = infos["version"];
path = infos["location"];
if(!path || "Could not find the install location" >< path){
  exit(0);
}

if(shareVer =~ "^15\.")
{
  path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                         item:"CommonFilesDir");
  if(path)
  {
    path = path + "\microsoft shared\Web Server Extensions\15\BIN";

    dllVer = fetch_file_version(sysPath:path, file_name:"Onetutil.dll");

    if(dllVer)
    {
      if(version_in_range(version:dllVer, test_version:"15.0", test_version2:"15.0.4927.0999"))
      {
        report = 'File checked:     ' +  path + "\Onetutil.dll"+ '\n' +
                 'File version:     ' +  dllVer  + '\n' +
                 'Vulnerable range: ' +  "15.0 - 15.0.4927.0999" + '\n' ;
        security_message(port:port, data:report);
        exit(0);
      }
    }
  }
}

exit(99);