IBM San Volume Controller / Storwize / FlashSystem 8.1.x < 8.1.0.1 privilege escalation vulnerability

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

include("compat.inc");

if (description)
{
  script_id(106844);
  script_version("1.5");
  script_cvs_date("Date: 2019/06/13 17:57:55");

  script_cve_id("CVE-2017-1710");
  script_bugtraq_id(101770);

  script_name(english:"IBM San Volume Controller / Storwize / FlashSystem 8.1.x < 8.1.0.1 privilege escalation vulnerability");
  script_summary(english:"Checks for vulnerable IBM firmware versions.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the IBM San Volume
Controller, Storwize or FlashSystem is vulnerable to an unspecified
privilege escalation vulnerability within the Service Assistant GUI.");
  script_set_attribute(attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1010788");
  script_set_attribute(attribute:"solution", value:
"Upgrade to a firmware version 8.1.0.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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: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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/11/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/15");

  script_set_attribute(attribute:"plugin_type", value:"remote");

  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:san_volume_controller_software");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:storwize_v5000_software");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:ibm:storwize_v7000_software");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:flashsystem_v9000_firmware");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ibm_storwize_detect.nbin");
  script_require_ports("Host/IBM/Storwize/version", "Host/IBM/Storwize/machine_major", "Host/IBM/Storwize/display_name");
  exit(0);
}

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

version = get_kb_item_or_exit("Host/IBM/Storwize/version");
machine_major = get_kb_item_or_exit("Host/IBM/Storwize/machine_major");
display_name = get_kb_item_or_exit("Host/IBM/Storwize/display_name");

# audit out if it isn't an affected device
if (
  machine_major != "2077" && # IBM Storwize V5000
  machine_major != "2078" && # IBM Storwize V5000
  machine_major != "2076" && # IBM Storwize V7000
  machine_major != "2145" && # IBM SAN Volume Controller
  machine_major != "9846" && # IBM FlashSystem V9000
  machine_major != "9848"    # IBM FlashSystem V9000
) audit(AUDIT_DEVICE_NOT_VULN, display_name);

if (version == UNKNOWN_VER)
  audit(AUDIT_UNKNOWN_APP_VER, display_name);

# 8.1.x < 8.1.0.1
if (version =~ "^8\.1\.")
  fix = "8.1.0.1";
else audit(AUDIT_DEVICE_NOT_VULN, display_name, version);

if (ver_compare(ver:version, fix:fix) < 0)
{
  report =
    '\n  Name              : ' + display_name +
    '\n  Installed version : ' + version +
    '\n  Fixed version     : ' + fix +
    '\n';
  security_report_v4(severity:SECURITY_HOLE, port:0, extra:report);
}
else audit(AUDIT_DEVICE_NOT_VULN, display_name, version);