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nessusThis script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.ORACLEVM_OVMSA-2018-0219.NASL
HistoryMay 23, 2018 - 12:00 a.m.

OracleVM 3.4 : qemu-kvm (OVMSA-2018-0219) (Spectre)

2018-05-2300:00:00
This script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
11

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

0.003 Low

EPSS

Percentile

65.2%

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

  • qemu-kvm-i386-define-the-ssbd-CPUID-feature-bit-CVE-2018
    

    -3639.patch

  • Resolves: bz#1574067 (EMBARGOED CVE-2018-3639 qemu-kvm:
    Kernel: omega-4 [rhel-6.9.z])

#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2018-0219.
#

include("compat.inc");

if (description)
{
  script_id(109988);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/04/15");

  script_cve_id("CVE-2018-3639");

  script_name(english:"OracleVM 3.4 : qemu-kvm (OVMSA-2018-0219) (Spectre)");
  script_summary(english:"Checks the RPM output for the updated package.");

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

  -
    qemu-kvm-i386-define-the-ssbd-CPUID-feature-bit-CVE-2018
    -3639.patch 

  - Resolves: bz#1574067 (EMBARGOED CVE-2018-3639 qemu-kvm:
    Kernel: omega-4 [rhel-6.9.z])"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/oraclevm-errata/2018-May/000855.html"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Update the affected qemu-img package."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:qemu-img");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/05/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/05/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/05/23");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2021 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:"qemu-img-0.12.1.2-2.503.el6_9.6")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "qemu-img");
}
VendorProductVersionCPE
oraclevmqemu-imgp-cpe:/a:oracle:vm:qemu-img
oraclevm_server3.4cpe:/o:oracle:vm_server:3.4

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

0.003 Low

EPSS

Percentile

65.2%