Kerio Control Web Filter Unspecified Issue

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

include("compat.inc");

if (description)
{
  script_id(50978);
  script_version("1.7");
  script_cvs_date("Date: 2018/11/15 20:50:27");

  script_bugtraq_id(45105);
  script_xref(name:"Secunia", value:"42388");

  script_name(english:"Kerio Control Web Filter Unspecified Issue");
  script_summary(english:"Checks version of winroute.exe");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host contains a program that is affected by an
unspecified vulnerability.");

  script_set_attribute(attribute:"description", value:
"Kerio Control is affected by a remote unspecified vulnerability in its
Web Filter component.");

  script_set_attribute(attribute:"see_also", value:"http://www.kerio.com/support/kerio-control/release-history");
  script_set_attribute(attribute:"solution", value:"Upgrade to version 7.1 or later.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
 script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
 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:"2010/11/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/11/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/12/03");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2010-2018 Tenable Network Security, Inc.");

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

  exit(0);
}

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

get_kb_item_or_exit("SMB/Registry/Enumerated");

# Connect to the appropriate share.
name    =  kb_smb_name();
port    =  kb_smb_transport();

login   =  kb_smb_login();
pass    =  kb_smb_password();
domain  =  kb_smb_domain();



if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to IPC$ share.");
}

# Connect to remote registry.
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  exit(1, "Can't connect to remote registry.");
}

# Find where it's installed.
ver = NULL;
path = NULL;

key = "SOFTWARE\Kerio\WinRoute";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  value = RegQueryValue(handle:key_h, item:"InstallPath");
  if (!isnull(value)) path = value[1];

  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);

if (isnull(path))
{
  NetUseDel();
  exit(0, "Kerio Control is not installed.");
}

# Grab the file version of file winroute.exe.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
exe =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\winroute.exe", string:path);

NetUseDel(close:FALSE);

rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to "+share+" share.");
}

fh = CreateFile(
  file:exe,
  desired_access:GENERIC_READ,
  file_attributes:FILE_ATTRIBUTE_NORMAL,
  share_mode:FILE_SHARE_READ,
  create_disposition:OPEN_EXISTING
);

if (isnull(fh))
{
  NetUseDel();
  exit(1, "Failed to open '"+path+"\winroute.exe'.");
}

ver = GetFileVersion(handle:fh);
CloseFile(handle:fh);
NetUseDel();

# Check the version number.
if (!isnull(ver))
{
  version = join(ver,sep:".");
  fixed_version = "7.1.0.1573";

  if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
  {
    if (report_verbosity > 0)
    {
      report =
        '\n  Path              : ' + path +
        '\n  Installed version : ' + version +
        '\n  Fixed version     : ' + fixed_version + '\n';
        security_hole(port:port, extra:report);
    }
    else security_hole(port);
    exit(0);
  }

  exit(0, "Kerio Control "+version+" is installed and not affected.");
}
else exit(1, "Can't get file version of '"+path+"\winroute.exe'.");