Microsoft Lync Remote Code Execution Vulnerabilities (3078662)

# 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("1.3.6.1.4.1.25623.1.0.805085");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2015-2431", "CVE-2015-2435", "CVE-2015-2455", "CVE-2015-2456",
                "CVE-2015-2463", "CVE-2015-2464");
  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:"creation_date", value:"2015-08-12 13:06:46 +0530 (Wed, 12 Aug 2015)");
  script_name("Microsoft Lync Remote Code Execution Vulnerabilities (3078662)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft Bulletin MS15-080.");

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

  script_tag(name:"insight", value:"The flaws exist due to improper handling of
  TrueType fonts.");

  script_tag(name:"impact", value:"Successful exploitation will allow a
  remote attacker to execute arbitrary code on the affected system.");

  script_tag(name:"affected", value:"- Microsoft Lync 2010

  - Microsoft Lync 2013");

  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/3055014");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/kb/3075593");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS15-080");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl", "secpod_ms_lync_detect_win.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/Lync/Installed");

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

  if(path)
  {
    foreach ver (make_list("", "OFFICE14", "OFFICE15"))
    {
      commVer = fetch_file_version(sysPath:path + ver, file_name:"Rtmpltfm.dll");
      if(commVer)
      {
        if(version_in_range(version:commVer, test_version:"5.0", test_version2:"5.0.8687.138") ||
           version_in_range(version:commVer, test_version:"4.0", test_version2:"4.0.7577.4475"))
        {
          security_message( port: 0, data: "The target host was found to be vulnerable" );
          exit(0);
        }
      }
    }
  }
}