Microsoft Lync 2010 Multiple Vulnerabilities (KB4025865)

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811755");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2017-8676", "CVE-2017-8696", "CVE-2017-8695");
  script_tag(name:"cvss_base", value:"7.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/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:3.0/AV:N/AC:H/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:"2017-09-21 18:47:00 +0000 (Thu, 21 Sep 2017)");
  script_tag(name:"creation_date", value:"2017-09-13 11:33:44 +0530 (Wed, 13 Sep 2017)");
  script_name("Microsoft Lync 2010 Multiple Vulnerabilities (KB4025865)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4025865");

  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 the Windows Graphics Device Interface (GDI) handles
    objects in memory.

  - An error when Windows Uniscribe improperly discloses the contents of its memory.

  - An error due to the way Windows Uniscribe handles objects in memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to retrieve information from a targeted system to further compromise the user's
  system and take control of the affected system.");

  script_tag(name:"affected", value:"Microsoft Lync 2010 (32-bit and 64-bit).");

  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/4025865");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100755");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100780");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100773");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl", "secpod_ms_lync_detect_win.nasl");
  script_mandatory_keys("MS/Lync/Installed");
  script_require_ports(139, 445);
  exit(0);
}

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

if(get_kb_item("MS/Lync/Ver"))
{
  lyncPath = get_kb_item("MS/Lync/path");

  ## For MS Lync Basic
  if(!lyncPath){
    lyncPath = get_kb_item("MS/Lync/Basic/path");
  }

  if(lyncPath)
  {
    lyncPath1 = lyncPath + "OFFICE14";

    commVer = fetch_file_version(sysPath:lyncPath1, file_name:"Rtmpltfm.dll");
    if(commVer)
    {
      if(commVer =~ "^4" && version_in_range(version:commVer, test_version:"4.0", test_version2:"4.0.7577.4539"))
      {
        report = 'File checked:     ' + lyncPath1 + "\Rtmpltfm.dll" + '\n' +
                 'File version:     ' + commVer  + '\n' +
                 'Vulnerable range: ' + "4.0 - 4.0.7577.4539" + '\n' ;
        security_message(data:report);
      }
    }
  }
}
exit(0);