Ubuntu 18.04 LTS / 20.04 LTS : NVIDIA graphics drivers vulnerabilities (USN-4404-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4404-1. 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(137848);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/29");

  script_cve_id("CVE-2020-5963", "CVE-2020-5967", "CVE-2020-5973");
  script_xref(name:"USN", value:"4404-1");
  script_xref(name:"IAVA", value:"2020-A-0290-S");

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  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as
referenced in the USN-4404-1 advisory.

    Thomas E. Carroll discovered that the NVIDIA Cuda grpahics driver did not properly perform access control
    when performing IPC. An attacker could use this to cause a denial of service or possibly execute arbitrary
    code. (CVE-2020-5963)

    It was discovered that the UVM driver in the NVIDIA graphics driver contained a race condition. A local
    attacker could use this to cause a denial of service. (CVE-2020-5967)

    It was discovered that the NVIDIA virtual GPU guest drivers contained an unspecified vulnerability that
    could potentially lead to privileged operation execution. An attacker could use this to cause a denial of
    service. (CVE-2020-5973)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-4404-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/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: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");
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  script_set_attribute(attribute:"vuln_publication_date", value:"2020/06/25");
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  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright(english:"Ubuntu Security Notice (C) 2020-2024 Canonical, Inc. / NASL script (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
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  exit(0);
}

include('debian_package.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('18.04' >< os_release || '20.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 18.04 / 20.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);

var pkgs = [
    {'osver': '18.04', 'pkgname': 'libcuda1-384', 'pkgver': '390.138-0ubuntu0.18.04.1'},
    {'osver': '18.04', 'pkgname': 'libnvidia-cfg1-390', 'pkgver': '390.138-0ubuntu0.18.04.1'},
    {'osver': '18.04', 'pkgname': 'libnvidia-cfg1-430', 'pkgver': '440.100-0ubuntu0.18.04.1'},
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    {'osver': '18.04', 'pkgname': 'libnvidia-compute-390', 'pkgver': '390.138-0ubuntu0.18.04.1'},
    {'osver': '18.04', 'pkgname': 'libnvidia-compute-430', 'pkgver': '440.100-0ubuntu0.18.04.1'},
    {'osver': '18.04', 'pkgname': 'libnvidia-compute-440', 'pkgver': '440.100-0ubuntu0.18.04.1'},
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    {'osver': '20.04', 'pkgname': 'libnvidia-common-390', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'libnvidia-common-430', 'pkgver': '440.100-0ubuntu0.20.04.1'},
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    {'osver': '20.04', 'pkgname': 'nvidia-kernel-common-440', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-kernel-source-390', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-kernel-source-430', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-kernel-source-440', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-libopencl1-384', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-opencl-icd-384', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-utils-390', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-utils-430', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'nvidia-utils-440', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'xserver-xorg-video-nvidia-390', 'pkgver': '390.138-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'xserver-xorg-video-nvidia-430', 'pkgver': '440.100-0ubuntu0.20.04.1'},
    {'osver': '20.04', 'pkgname': 'xserver-xorg-video-nvidia-440', 'pkgver': '440.100-0ubuntu0.20.04.1'}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  var extra = '';
  extra += ubuntu_report_get();
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : extra
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libcuda1-384 / libnvidia-cfg1-390 / libnvidia-cfg1-430 / etc');
}