Vulnerabilities > CVE-2017-6257 - NULL Pointer Dereference vulnerability in Nvidia GPU Driver

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3461-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104122);
  script_version("3.9");
  script_cvs_date("Date: 2019/09/18 12:31:47");

  script_cve_id("CVE-2017-6257", "CVE-2017-6259", "CVE-2017-6266", "CVE-2017-6267", "CVE-2017-6272");
  script_xref(name:"USN", value:"3461-1");

  script_name(english:"Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : nvidia-graphics-drivers-384 vulnerabilities (USN-3461-1)");
  script_summary(english:"Checks dpkg output for updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Ubuntu host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that the NVIDIA graphics drivers contained flaws in
the kernel mode layer. A local attacker could use these issues to
cause a denial of service or potentially escalate their privileges on
the system.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/3461-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected nvidia-384 package."
  );
  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:C/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-384");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:17.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/07/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/10/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/24");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


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

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(14\.04|16\.04|17\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 14.04 / 16.04 / 17.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"14.04", pkgname:"nvidia-384", pkgver:"384.90-0ubuntu0.14.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"nvidia-384", pkgver:"384.90-0ubuntu0.16.04.1")) flag++;
if (ubuntu_check(osver:"17.04", pkgname:"nvidia-384", pkgver:"384.90-0ubuntu0.17.04.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nvidia-384");
}

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

include("compat.inc");

if (description)
{
  script_id(102783);
  script_version("1.4");
  script_cvs_date("Date: 2019/11/12");

  script_cve_id(
    "CVE-2017-6251",
    "CVE-2017-6252",
    "CVE-2017-6253",
    "CVE-2017-6254",
    "CVE-2017-6255",
    "CVE-2017-6256",
    "CVE-2017-6257",
    "CVE-2017-6259",
    "CVE-2017-6260"
  );

  script_name(english:"NVIDIA Windows GPU Display Driver 375.x < 377.55 / 384.x < 384.94 / 385.x < 385.08 Multiple Vulnerabilities");
  script_summary(english:"Checks the driver version.");

  script_set_attribute(attribute:"synopsis", value:
"A display driver installed on the remote Windows host is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"Nvidia GPU Display driver vulnerabilities may lead to denial of 
service or possible escalation of Privileges. To exploit these 
vulnerabilities an attacker would send a malicious request to an 
affected application or interact with an affected application. If 
successfully exploited, these vulnerabilities would allow an 
attacker to cause a denial of service condition or elevated 
privileges.");
  # https://nvidia.custhelp.com/app/answers/detail/a_id/4525
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b3f0ec60");
  script_set_attribute(attribute:"solution", value:
"Upgrade the NVIDIA graphics driver to version 377.55 / 384.94 / 385.08 or
later in accordance with the vendor advisory.");
  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:C/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:"vuln_publication_date", value:"2017/07/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/07/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/08/26");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:nvidia:gpu_driver");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("wmi_enum_display_drivers.nbin");
  script_require_keys("WMI/DisplayDrivers/NVIDIA", "Settings/ParanoidReport");

  exit(0);
}

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

if (report_paranoia < 2) audit(AUDIT_PARANOID);

kb_base = 'WMI/DisplayDrivers/';

# double check in case optimization is disabled
kbs = get_kb_list(kb_base + '*/Name');
if (isnull(kbs)) exit(0, 'No display drivers were found.');

report = '';

foreach kb (keys(kbs))
{
  name = kbs[kb];
  # only check NVIDIA drivers
  if ("NVIDIA" >!< name) continue;

  nvidia_found = TRUE;
  id = kb - kb_base - '/Name';
  version = get_kb_item_or_exit(kb_base + id + '/Version');
  driver_date = get_kb_item_or_exit(kb_base + id + '/DriverDate');

  disp_driver_date = driver_date;

  # convert to something we can pass to ver_compare (YYYY.MM.DD)
  driver_date = split(driver_date, sep:'/', keep:FALSE);
  driver_date = driver_date[2] + '.' + driver_date[0] + '.' + driver_date[1];

  fix = '';
  note = '';
  # R375 Branch includes 375.x, 376.x, 377.x - http://www.nvidia.com/object/quadro-branch-history-table.html
  if (version =~ "^37[567]\." && ver_compare(ver:version, fix:"377.55", strict:FALSE) == -1)
    fix = '377.35';

  # R384 Branch includes 385.x
  if (version =~ "^38[45]\." && ver_compare(ver:version, fix:"385.08", strict:FALSE) == -1)
  {
    fix = '385.08';
    note = '\n\nGeForce Series has the fix 384.94 includes GFE 3.7.0.81';
  }
  if (!empty(fix))
  {
    order = make_list('Device name','Driver version','Driver date','Fixed version');
    report = make_array(
      order[0],name,
      order[1],version,
      order[2],disp_driver_date,
      order[3],fix
      );

    report = report_items_str(report_items:report, ordered_fields:order);
    break;
  }
}

if (!nvidia_found) exit(0, 'No NVIDIA display drivers were found.');

if (!empty(report))
  security_report_v4(severity:SECURITY_HOLE, port:0, extra:report+note);
else
  exit(0, "No vulnerable NVIDIA display drivers were found.");