The remote OracleVM system is missing necessary patches to address critical security updates :
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=8e468e57b8bc1a7f84b4a7a6abf9e420b97313fa
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
x86/tsx: Mask out ARCH_CAPS_TSX_CTRL (Patrick Colp) - x86/tsx: When the CPU has MSR_TSX_CTRL, ebx is accidentally being cleared (Patrick Colp) - redtape:
IOMMU: default to always quarantining PCI devices (Boris Ostrovsky) [Orabug: 31158489] (CVE-2019-19579)
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2020-0018.
#
include('compat.inc');
if (description)
{
script_id(136071);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/14");
script_cve_id("CVE-2019-19579");
script_name(english:"OracleVM 3.4 : xen (OVMSA-2020-0018)");
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 :
- BUILDINFO: OVMF
commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
- BUILDINFO: xen
commit=8e468e57b8bc1a7f84b4a7a6abf9e420b97313fa
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- x86/tsx: Mask out ARCH_CAPS_TSX_CTRL (Patrick Colp) -
x86/tsx: When the CPU has MSR_TSX_CTRL, ebx is
accidentally being cleared (Patrick Colp) - redtape:
IOMMU: default to always quarantining PCI devices (Boris
Ostrovsky) [Orabug: 31158489] (CVE-2019-19579)");
# https://oss.oracle.com/pipermail/oraclevm-errata/2020-April/000978.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7a547120");
script_set_attribute(attribute:"solution", value:
"Update the affected xen / xen-tools 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:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-19579");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/12/04");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:xen-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"OracleVM Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/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_exists(rpm:"xen-4.4.4-222", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-4.4.4-222.0.18.el6")) flag++;
if (rpm_exists(rpm:"xen-tools-4.4.4-222", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-tools-4.4.4-222.0.18.el6")) 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, "xen / xen-tools");
}