Oracle Linux 7 : libvirt (ELSA-2019-4714) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2019-4714.
#

include('compat.inc');

if (description)
{
  script_id(126674);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/27");

  script_cve_id(
    "CVE-2018-12126",
    "CVE-2018-12127",
    "CVE-2018-12130",
    "CVE-2019-10132",
    "CVE-2019-10161",
    "CVE-2019-10166",
    "CVE-2019-10167",
    "CVE-2019-10168",
    "CVE-2019-11091"
  );
  script_xref(name:"CEA-ID", value:"CEA-2019-0324");
  script_xref(name:"CEA-ID", value:"CEA-2019-0547");

  script_name(english:"Oracle Linux 7 : libvirt (ELSA-2019-4714) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"Description of changes:

[5.0.0-9.el7]
- qemu: remove cpuhostmask and cpuguestmask from virCaps structure (Wim ten
Have) [Orabug: 29956508]

[5.0.0-8.el7]
- api: disallow virDomainSaveImageGetXMLDesc on read-only connections 
(J&aacute n Tomko) [Orabug: 29955742] {CVE-2019-10161}
- domain: Define explicit flags for saved image xml (Eric Blake) 
[Orabug: 29955742]
- api: disallow virDomainManagedSaveDefineXML on read-only connections 
(J&aacute n Tomko) [Orabug: 29955742] {CVE-2019-10166}
- api: disallow virConnectGetDomainCapabilities on read-only connections 
(J&aacute n Tomko) [Orabug: 29955742] {CVE-2019-10167}
- api: disallow virConnect*HypervisorCPU on read-only connections (J&aacute n 
Tomko) [Orabug: 29955742] {CVE-2019-10168}

[5.0.0-7.el7]
- cpu_map: Define md-clear CPUID bit (Jiri Denemark) [Orabug: 29874181]
{CVE-2018-12126} {CVE-2018-12127} {CVE-2018-12130} {CVE-2019-11091}

[5.0.0-6.el7]
- qemu: Driver change adding private lock to auto-tune hugepages (Wim 
ten Have)
[Orabug: 29809943]

[5.0.0-5.el7]
- qemu: disable setmem change requests for vNUMA targets (Wim ten Have) 
[Orabug: 29797366]
- domain: Disable memballoon memory configuration support for vNUMA 
guests (Wim ten Have) [Orabug: 29797366]
- qemu: Driver change to target for vNUMA setmaxmem change request (Wim 
ten Have) [Orabug: 29749852]
- domain: Add domain memory config support for vNUMA guests (Wim ten 
Have) [Orabug: 29749852]
- logging: restrict sockets to mode 0600 (Daniel P. Berrang&eacute ) [Orabug: 
29861433] {CVE-2019-10132}
- locking: restrict sockets to mode 0600 (Daniel P. Berrang&eacute ) [Orabug: 
29861433] {CVE-2019-10132}
- admin: reject clients unless their UID matches the current UID (Daniel 
P. Berrang&eacute ) [Orabug: 29861433] {CVE-2019-10132}");
  script_set_attribute(attribute:"see_also", value:"https://oss.oracle.com/pipermail/el-errata/2019-July/008892.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected libvirt 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:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-10161");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-10132");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"in_the_news", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-admin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-bash-completion");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-config-network");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-config-nwfilter");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-interface");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-lxc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-network");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-nodedev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-nwfilter");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-qemu");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-secret");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-disk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-gluster");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-iscsi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-logical");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-mpath");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-rbd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-scsi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-lxc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-daemon-qemu");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-lock-sanlock");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-login-shell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libvirt-nss");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Oracle Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/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);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 7", "Oracle Linux " + os_ver);

if (!get_kb_item("Host/RedHat/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, "Oracle Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

flag = 0;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-admin-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-bash-completion-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-client-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-config-network-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-config-nwfilter-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-interface-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-lxc-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-network-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-nodedev-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-nwfilter-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-qemu-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-secret-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-core-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-disk-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-gluster-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-iscsi-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-logical-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-mpath-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-rbd-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-driver-storage-scsi-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-kvm-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-lxc-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-daemon-qemu-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-devel-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-docs-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-libs-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-lock-sanlock-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-login-shell-5.0.0-9.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libvirt-nss-5.0.0-9.el7")) 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, "libvirt / libvirt-admin / libvirt-bash-completion / libvirt-client / etc");
}