Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-009)

2017-03-27T00:00:00
ID VIRTUOZZO_VZA-2017-009.NASL
Type nessus
Reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-09-02T00:00:00

Description

According to the versions of the parallels-server-bm-release / vzkernel / etc packages installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities :

  • Possible crash in memcpy_fromiovecend() triggered from inside container.

  • Improved isolation for neighbor table settings.

Note that Tenable Network Security has extracted the preceding description block directly from the Virtuozzo security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(97981);
  script_version("1.5");
  script_cvs_date("Date: 2019/01/14 10:10:15");

  script_name(english:"Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-009)");
  script_summary(english:"Checks the rpm output for the updated packages.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Virtuozzo host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the parallels-server-bm-release /
vzkernel / etc packages installed, the Virtuozzo installation on the
remote host is affected by the following vulnerabilities :

  - Possible crash in memcpy_fromiovecend() triggered from
    inside container.

  - Improved isolation for neighbor table settings.

Note that Tenable Network Security has extracted the preceding
description block directly from the Virtuozzo 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://help.virtuozzo.com/customer/portal/articles/2754842");
  script_set_attribute(attribute:"solution", value:
"Update the affected parallels-server-bm-release / vzkernel / etc packages.");
  script_set_attribute(attribute:"risk_factor", value:"Medium");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/02/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:parallels-server-bm-release");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vzkernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vzkernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vzkernel-firmware");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vzmodules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vzmodules-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:virtuozzo:virtuozzo:6");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Virtuozzo/release", "Host/Virtuozzo/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/Virtuozzo/release");
if (isnull(release) || "Virtuozzo" >!< release) audit(AUDIT_OS_NOT, "Virtuozzo");
os_ver = pregmatch(pattern: "Virtuozzo Linux release ([0-9]+\.[0-9])(\D|$)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Virtuozzo");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Virtuozzo 6.x", "Virtuozzo " + os_ver);

if (!get_kb_item("Host/Virtuozzo/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, "Virtuozzo", cpu);

flag = 0;

pkgs = ["parallels-server-bm-release-6.0.12-3671",
        "vzkernel-2.6.32-042stab120.19",
        "vzkernel-devel-2.6.32-042stab120.19",
        "vzkernel-firmware-2.6.32-042stab120.19",
        "vzmodules-2.6.32-042stab120.19",
        "vzmodules-devel-2.6.32-042stab120.19"];

foreach (pkg in pkgs)
  if (rpm_check(release:"Virtuozzo-6", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "parallels-server-bm-release / vzkernel / etc");
}