2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
32.1%
According to the version of the ksm-vz / prl-disp-legacy / prl-disp-service / etc packages installed, the Virtuozzo installation on the remote host is affected by the following vulnerability :
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(103538);
script_version("3.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id(
"CVE-2017-13672"
);
script_name(english:"Virtuozzo 7 : ksm-vz / prl-disp-legacy / prl-disp-service / etc (VZA-2017-087)");
script_summary(english:"Checks the rpm output for the updated package.");
script_set_attribute(attribute:"synopsis", value:
"The remote Virtuozzo host is missing a security update.");
script_set_attribute(attribute:"description", value:
"According to the version of the ksm-vz / prl-disp-legacy /
prl-disp-service / etc packages installed, the Virtuozzo installation
on the remote host is affected by the following vulnerability :
- QEMU (aka Quick Emulator), when built with the VGA
display emulator support, allows local guest OS
privileged users to cause a denial of service
(out-of-bounds read and QEMU process crash) via vectors
involving display update.
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/2881600");
script_set_attribute(attribute:"solution", value:
"Update the affected ksm-vz / prl-disp-legacy / prl-disp-service / etc package.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P");
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:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"patch_publication_date", value:"2017/09/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:ksm-vz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:prl-disp-legacy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:prl-disp-service");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:prl-disp-service-tests");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:qemu-img-vz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-common-vz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-tools-vz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-vz");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:virtuozzo:virtuozzo:vz-guest-tools-lin");
script_set_attribute(attribute:"cpe", value:"cpe:/o:virtuozzo:virtuozzo:7");
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) 2017-2021 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|$)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Virtuozzo");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Virtuozzo 7.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 = ["ksm-vz-2.6.0-28.3.10.vz7.75.1",
"prl-disp-legacy-7.0.725.10-1.vz7",
"prl-disp-service-7.0.725.10-1.vz7",
"prl-disp-service-tests-7.0.725.10-1.vz7",
"qemu-img-vz-2.6.0-28.3.10.vz7.75.1",
"qemu-kvm-common-vz-2.6.0-28.3.10.vz7.75.1",
"qemu-kvm-tools-vz-2.6.0-28.3.10.vz7.75.1",
"qemu-kvm-vz-2.6.0-28.3.10.vz7.75.1",
"vz-guest-tools-lin-7.5-2.vz7"];
foreach (pkg in pkgs)
if (rpm_check(release:"Virtuozzo-7", reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
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, "ksm-vz / prl-disp-legacy / prl-disp-service / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
virtuozzo | virtuozzo | ksm-vz | p-cpe:/a:virtuozzo:virtuozzo:ksm-vz |
virtuozzo | virtuozzo | prl-disp-legacy | p-cpe:/a:virtuozzo:virtuozzo:prl-disp-legacy |
virtuozzo | virtuozzo | prl-disp-service | p-cpe:/a:virtuozzo:virtuozzo:prl-disp-service |
virtuozzo | virtuozzo | prl-disp-service-tests | p-cpe:/a:virtuozzo:virtuozzo:prl-disp-service-tests |
virtuozzo | virtuozzo | qemu-img-vz | p-cpe:/a:virtuozzo:virtuozzo:qemu-img-vz |
virtuozzo | virtuozzo | qemu-kvm-common-vz | p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-common-vz |
virtuozzo | virtuozzo | qemu-kvm-tools-vz | p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-tools-vz |
virtuozzo | virtuozzo | qemu-kvm-vz | p-cpe:/a:virtuozzo:virtuozzo:qemu-kvm-vz |
virtuozzo | virtuozzo | vz-guest-tools-lin | p-cpe:/a:virtuozzo:virtuozzo:vz-guest-tools-lin |
virtuozzo | virtuozzo | 7 | cpe:/o:virtuozzo:virtuozzo:7 |
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
32.1%