Microsoft SharePoint Server 2010 Service Pack 2 Information Disclosure Vulnerability (KB4461569)

# 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

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.814543");
  script_version("2025-08-05T05:45:17+0000");
  script_cve_id("CVE-2018-8627");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2025-08-05 05:45:17 +0000 (Tue, 05 Aug 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N");
  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:"2018-12-12 16:22:36 +0530 (Wed, 12 Dec 2018)");
  script_name("Microsoft SharePoint Server 2010 Service Pack 2 Information Disclosure Vulnerability (KB4461569)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4461569");

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

  script_tag(name:"insight", value:"The flaw exists when Microsoft Excel software
  reads out of bound memory due to an uninitialized variable.");

  script_tag(name:"impact", value:"Successful exploitation will allow an
  attacker to disclose the contents of memory.");

  script_tag(name:"affected", value:"Microsoft SharePoint Server 2010 Service Pack 2.");

  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/4461569");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_microsoft_sharepoint_smb_login_detect.nasl");
  script_mandatory_keys("microsoft/sharepoint/server/smb-login/detected");
  script_require_ports(139, 445);

  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 =~ "^14\.")
{
  path = path + "\14.0\Bin";

  dllVer = fetch_file_version(sysPath:path, file_name:"xlsrv.dll");
  if(dllVer)
  {
    if(version_in_range(version:dllVer, test_version:"14.0", test_version2:"14.0.7225.4999"))
    {
      report = report_fixed_ver(file_checked: path + "\xlsrv.dll",
                                file_version:dllVer, vulnerable_range:"14.0 - 14.0.7225.4999");
      security_message(port:port, data:report);
      exit(0);
    }
  }
}

exit(99);