Cisco Firepower Management Center < 6.6.1 sftunnel MitM (cisco-sa-ftdfmc-sft-mitm-tc8AzFs2)

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

include('compat.inc');

if (description)
{
  script_id(161192);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/31");

  script_cve_id("CVE-2020-3549");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvp56719");
  script_xref(name:"CISCO-SA", value:"cisco-sa-ftdfmc-sft-mitm-tc8AzFs2");
  script_xref(name:"IAVA", value:"2020-A-0488-S");

  script_name(english:"Cisco Firepower Management Center < 6.6.1 sftunnel MitM  (cisco-sa-ftdfmc-sft-mitm-tc8AzFs2)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"A vulnerability in the sftunnel functionality of Cisco Firepower Management Center (FMC) Software could allow an 
unauthenticated, remote attacker to obtain the device registration hash. The vulnerability is due to insufficient 
sftunnel negotiation protection during initial device registration. An attacker in a man-in-the-middle position 
could exploit this vulnerability by intercepting a specific flow of the sftunnel communication between an FMC 
device and an FTD device.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
 number.");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-sft-mitm-tc8AzFs2
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e9c4645c");
  script_set_attribute(attribute:"see_also", value:"http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74302");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp56719");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvp56719");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-3549");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(326);

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/10/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/10/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/05/13");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:firepower_management_center");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_firepower_version.nasl");
  script_require_keys("Host/Cisco/firepower_mc/version");

  exit(0);
}

include('vcf.inc');

var app_info = vcf::get_app_info(app:'Cisco Firepower Management Center', kb_ver:'Host/Cisco/firepower_mc/version');

var constraints = [
  { 'min_version': '6.2.3', 'fixed_version' : '6.6.0', 'fixed_display': '6.6.1' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);