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nessusThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.ORACLEVM_OVMSA-2019-0044.NASL
HistorySep 23, 2019 - 12:00 a.m.

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0044)

2019-09-2300:00:00
This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
21

The remote OracleVM system is missing necessary patches to address critical security updates :

  • KVM: coalesced_mmio: add bounds checking (Matt Delco) [Orabug: 30318042] (CVE-2019-14821) (CVE-2019-14821)
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2019-0044.
#

include("compat.inc");

if (description)
{
  script_id(129137);
  script_version("1.4");
  script_cvs_date("Date: 2019/12/27");

  script_cve_id("CVE-2019-14821");

  script_name(english:"OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0044)");
  script_summary(english:"Checks the RPM output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote OracleVM host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote OracleVM system is missing necessary patches to address
critical security updates :

  - KVM: coalesced_mmio: add bounds checking (Matt Delco)
    [Orabug: 30318042] (CVE-2019-14821) (CVE-2019-14821)"
  );
  # https://oss.oracle.com/pipermail/oraclevm-errata/2019-September/000959.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?94061713"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected kernel-uek / kernel-uek-firmware packages."
  );
  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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek-firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/23");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"OracleVM Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleVM/release", "Host/OracleVM/rpm-list");

  exit(0);
}


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

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/OracleVM/release");
if (isnull(release) || "OVS" >!< release) audit(AUDIT_OS_NOT, "OracleVM");
if (! preg(pattern:"^OVS" + "3\.4" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.4", "OracleVM " + release);
if (!get_kb_item("Host/OracleVM/rpm-list")) 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, "OracleVM", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

flag = 0;
if (rpm_check(release:"OVS3.4", reference:"kernel-uek-4.1.12-124.31.1.1.el6uek")) flag++;
if (rpm_check(release:"OVS3.4", reference:"kernel-uek-firmware-4.1.12-124.31.1.1.el6uek")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel-uek / kernel-uek-firmware");
}
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