Ubuntu 19.04 : linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2, linux-snapdragon (USN-4005-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4005-1. 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(125721);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/05/11");

  script_cve_id("CVE-2019-11810", "CVE-2019-11815");
  script_xref(name:"USN", value:"4005-1");

  script_name(english:"Ubuntu 19.04 : linux, linux-aws, linux-gcp, linux-kvm, linux-raspi2, linux-snapdragon (USN-4005-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis",
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description",
    value:
"It was discovered that a NULL pointer dereference vulnerability
existed in the LSI Logic MegaRAID driver in the Linux kernel. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2019-11810)

It was discovered that a race condition leading to a use-after-free
existed in the Reliable Datagram Sockets (RDS) protocol implementation
in the Linux kernel. The RDS protocol is blacklisted by default in
Ubuntu. If enabled, a local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2019-11815).

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/4005-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:H/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-aws");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-gcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-generic-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-lowlatency");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-raspi2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0-snapdragon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-aws");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-gke");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-raspi2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-snapdragon");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:19.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/06/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/05");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2019-2023 Canonical, Inc. / NASL script (C) 2019-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

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

  exit(0);
}


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

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(19\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 19.04", "Ubuntu " + 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);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2019-11810", "CVE-2019-11815");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-4005-1");
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

var flag = 0;

if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-1007-aws", pkgver:"5.0.0-1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-1007-gcp", pkgver:"5.0.0-1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-1007-kvm", pkgver:"5.0.0-1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-1009-raspi2", pkgver:"5.0.0-1009.9")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-1013-snapdragon", pkgver:"5.0.0-1013.13")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-16-generic", pkgver:"5.0.0-16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-16-generic-lpae", pkgver:"5.0.0-16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-5.0.0-16-lowlatency", pkgver:"5.0.0-16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-aws", pkgver:"5.0.0.1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-gcp", pkgver:"5.0.0.1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-generic", pkgver:"5.0.0.16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-generic-lpae", pkgver:"5.0.0.16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-gke", pkgver:"5.0.0.1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-kvm", pkgver:"5.0.0.1007.7")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-lowlatency", pkgver:"5.0.0.16.17")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-raspi2", pkgver:"5.0.0.1009.6")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"linux-image-snapdragon", pkgver:"5.0.0.1013.6")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "linux-image-5.0-aws / linux-image-5.0-gcp / linux-image-5.0-generic / etc");
}