Cisco UCS Director Authentication Bypass (cisco-sa-20190821-imcs-ucs-authbypass)

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

include('compat.inc');

if (description)
{
  script_id(137243);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/03");

  script_cve_id("CVE-2019-1974");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvq48630");
  script_xref(name:"IAVA", value:"2019-A-0312-S");

  script_name(english:"Cisco UCS Director Authentication Bypass (cisco-sa-20190821-imcs-ucs-authbypass)");
  script_summary(english:"Checks the Cisco UCS Director version.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by an authentication bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the remote host is running a version of Cisco UCS Director that is affected by
an authentication bypass vulnerability. An unauthenticated, remote attacker can exploit this to bypass authentication
and execute arbitrary actions with administrative privileges.");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq48630");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-ucs-authbypass
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2f57e233");
  script_set_attribute(attribute:"solution", value:
"Apply the patch or upgrade to the version recommended in Cisco bug ID CSCvq48630");
  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_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/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-2019-1974");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/09");

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

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

  script_copyright(english:"This script is Copyright (C) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_ucs_director_detect.nbin");
  script_require_keys("Host/Cisco/UCSDirector/version");

  exit(0);
}

include('vcf.inc');

app_info = vcf::get_app_info(app:'Cisco UCS Director', kb_ver:'Host/Cisco/UCSDirector/version');

constraints = [
  { 'min_version':'5.5.0.0', 'max_version':'5.5.0.2', 'fixed_display': '6.5.0.4 / 6.6.2.0 / 6.7.3.0'},
  { 'min_version':'6.0.0.0', 'max_version':'6.0.1.0', 'fixed_display': '6.5.0.4 / 6.6.2.0 / 6.7.3.0'},
  { 'min_version':'6.5.0.0', 'max_version':'6.5.0.3', 'fixed_version': '6.5.0.4'},
  { 'min_version':'6.6.0.0', 'max_version':'6.6.1.0', 'fixed_version': '6.6.2.0'},
  { 'min_version':'6.7.0.0', 'max_version':'6.7.2.0', 'fixed_version': '6.7.3.0'}
];

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