MS KB2916626: Update for Vulnerabilities in Adobe Flash Player in Internet Explorer

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(71945);
  script_version("1.6");
  script_cvs_date("Date: 2019/11/26");

  script_cve_id("CVE-2014-0491", "CVE-2014-0492");
  script_bugtraq_id(64807, 64810);
  script_xref(name:"MSKB", value:"2916626");

  script_name(english:"MS KB2916626: Update for Vulnerabilities in Adobe Flash Player in Internet Explorer");
  script_summary(english:"Checks version of ActiveX control");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an ActiveX control installed that is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote host is missing KB2916626.  It is, therefore, affected by
the following vulnerabilities related to the installed version of the
Adobe Flash ActiveX control :

  - An unspecified vulnerability exists that can be used to
    bypass Flash Player security protections.
    (CVE-2014-0491)

  - An unspecified vulnerability exists that can be used to
    bypass memory address layout randomization.
    (CVE-2014-0492)");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/flash-player/apsb14-02.html");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityAdvisories/2016/2755801");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/2916626/microsoft-security-advisory-update-for-vulnerabilities-in-adobe-flash");
  script_set_attribute(attribute:"solution", value:
"Install Microsoft KB2916626.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2014-0492");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/01/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/01/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/01/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:flash_player");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated", "SMB/WindowsVersion", "SMB/ProductName");
  script_require_ports(139, 445);

  exit(0);
}

include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_activex_func.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);

if (hotfix_check_sp_range(win8:'0', win81:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
if (hotfix_check_server_core() == 1) audit(AUDIT_WIN_SERVER_CORE);

if (activex_init() != ACX_OK) audit(AUDIT_FN_FAIL, "activex_init()");

# Adobe Flash Player CLSID
clsid = '{D27CDB6E-AE6D-11cf-96B8-444553540000}';

file = activex_get_filename(clsid:clsid);
if (isnull(file))
{
  activex_end();
  audit(AUDIT_FN_FAIL, "activex_get_filename", "NULL");
}
if (!file)
{
  activex_end();
  audit(AUDIT_ACTIVEX_NOT_FOUND, clsid);
}

# Get its version.
version = activex_get_fileversion(clsid:clsid);
if (!version)
{
  activex_end();
  audit(AUDIT_VER_FAIL, file);
}

info = '';

iver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(iver); i++)
 iver[i] = int(iver[i]);

# < 12.0.0.38
if (
  (report_paranoia > 1 || activex_get_killbit(clsid:clsid) == 0) &&
  (
    iver[0] < 12 ||
    (
      iver[0] == 12 &&
      (
        (iver[1] == 0 && iver[2] == 0 && iver[3] < 38)
      )
    )
  )
)
{
  info = '\n  Path              : ' + file +
         '\n  Installed version : ' + version +
         '\n  Fixed version     : 12.0.0.38\n';
}

port = kb_smb_transport();

if (info != '')
{
  if (report_verbosity > 0)
  {
    if (report_paranoia > 1)
    {
      report = info +
        '\n' +
        'Note, though, that Nessus did not check whether the kill bit was\n' +
        "set for the control's CLSID because of the Report Paranoia setting" + '\n' +
        'in effect when this scan was run.\n';
    }
    else
    {
      report = info +
        '\n' +
        'Moreover, its kill bit is not set so it is accessible via Internet\n' +
        'Explorer.\n';
    }
    security_hole(port:port, extra:report);
  }
  else security_hole(port);
}
else audit(AUDIT_HOST_NOT, 'affected');