Fortinet FortiClient OpenSSL Security Bypass

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

include("compat.inc");

if (description)
{
  script_id(76535);
  script_version("1.7");
  script_cvs_date("Date: 2019/11/26");

  script_cve_id("CVE-2014-0224");
  script_bugtraq_id(67899);
  script_xref(name:"CERT", value:"978508");

  script_name(english:"Fortinet FortiClient OpenSSL Security Bypass");
  script_summary(english:"Checks the version of FortiClient.exe.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by a security bypass
vulnerability.");
  script_set_attribute(attribute:"description", value:
"FortiClient, a client-based software solution intended to provide
security features for enterprise computers and mobile devices, is
installed on the remote Windows host.

The installed FortiClient version uses a vulnerable OpenSSL library
that contains a flaw with the handshake process. The flaw could allow
an attacker to cause usage of weak keying material leading to
simplified man-in-the-middle attacks.");
  script_set_attribute(attribute:"see_also", value:"https://fortiguard.com/psirt/FG-IR-14-018");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Fortinet FortiClient 5.0.10 / 5.2.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2014-0224");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/06/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/06/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:fortinet:forticlient");
  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("forticlient_detect.nbin");
  script_require_keys("installed_sw/FortiClient");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("install_func.inc");

get_kb_item_or_exit("installed_sw/FortiClient");

app = "FortiClient";

installs = get_installs(app_name:app);
if (installs[0] == IF_NOT_FOUND) audit(AUDIT_NOT_INST, app);

install = installs[1][0];
path = install['path'];
version = install['version'];


fixed_version = "5.0.10";
if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
{
  port = get_kb_item("SMB/transport");
  if (!port) port = 445;

  if (report_verbosity > 0)
  {
    report =
      '\n  Path              : ' + path +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fixed_version + '\n';
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
}
else audit(AUDIT_INST_PATH_NOT_VULN, app, version, path);