Cisco Data Center Network Manager Improper Authorization (cisco-sa-dcnm-improper-auth-7Krd9TDT)

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

include('compat.inc');

if (description)
{
  script_id(139468);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/08/27");

  script_cve_id("CVE-2020-3386");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvs78207");
  script_xref(name:"CISCO-SA", value:"cisco-sa-dcnm-improper-auth-7Krd9TDT");
  script_xref(name:"IAVA", value:"2020-A-0279");

  script_name(english:"Cisco Data Center Network Manager Improper Authorization (cisco-sa-dcnm-improper-auth-7Krd9TDT)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Data Center Network Manager is affected by an authentication bypass
vulnerability in the REST API due to insufficient authorization of certain API functions. An attacker can exploit this
vulnerability by sending a crafted request to the API using low-privileged credentials in order to perform arbitrary
actions through the REST API with administrative privileges.

Please see the included Cisco BID and Cisco Security Advisory for more information.");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-improper-auth-7Krd9TDT
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9d424285");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs78207");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvs78207");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/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-2020-3386");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(285);

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/07/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/11");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:data_center_network_manager");
  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) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_prime_dcnm_installed_win.nasl", "cisco_prime_dcnm_installed_linux.nasl", "cisco_prime_dcnm_web_detect.nasl");
  script_require_ports("installed_sw/Cisco Prime DCNM", "installed_sw/cisco_dcnm_web");

  exit(0);
}

include('vcf.inc');
include('vcf_extras.inc');

app_info = vcf::cisco_dcnm_web::get_app_info();
vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  { 'fixed_version' : '11.4.1.0', 'fixed_display' : '11.4(1)' }
];

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