Cisco HyperFlex Software Unauthenticated Root Access (cisco-sa-20190220-chn-root-access)

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

include('compat.inc');

if (description)
{
  script_id(139801);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/08/26");

  script_cve_id("CVE-2019-1664");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvk31047");
  script_xref(name:"CISCO-SA", value:"cisco-sa-20190220-chn-root-access");

  script_name(english:"Cisco HyperFlex Software Unauthenticated Root Access (cisco-sa-20190220-chn-root-access)");

  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 HyperFlex HX-Series is affected by a vulnerability in the hxterm service
due to insufficient authentication controls. An unauthenticated, local attacker can exploit this, by connecting to the
hxterm service as a non-privileged, local user, in order to gain root access to all the nodes in the cluster.

Please see the included Cisco BIDs and Cisco Security Advisory for more information");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-chn-root-access
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f987218e");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk31047");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvk31047");
  script_set_cvss_base_vector("CVSS2#AV:L/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:L/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-2019-1664");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/25");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:hyperflex_hx_data_platform");
  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_hyperflex_web_api_detect.nbin");
  script_require_keys("Host/OS/Cisco_HyperFlex_web_API");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

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

port = get_http_port(default:80);
app_info = vcf::get_app_info(app:'Cisco HyperFlex', port:port);

constraints = [
  {'fixed_version':'3.5.2a', 'fixed_display':'3.5(2a)'}
];

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