The remote OracleVM system is missing necessary patches to address critical security updates :
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=a3ec6768f487946b7316364bc9bd17ce4d752af5
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
x86/vtx ept-shatter โฆ (Andrew Cooper) [Orabug:
30522238] (CVE-2018-12207)
x86: rename public functions in p2m-pt.c (Mukesh Rathor) [Orabug: 30522238]
Rename โset_p2m_entryโ to โp2m_set_entryโ (Mukesh Rathor) [Orabug: 30522238]
x86/mm: add information about faulted pageโs presence to npfec structure (Boris Ostrovsky) [Orabug: 30522238]
relocate struct npfec definition into common (Tamas K Lengyel)
EPT: utilize GLA->GPA translation known for certain faults (Jan Beulich) [Orabug: 30522238]
x86/mem_event: deliver gla fault EPT violation information (Tamas K Lengyel) [Orabug: 30522238]
x86: consolidate boolean inputs in hvm and p2m into a shared bitmap (Tamas K Lengyel) [Orabug: 30522238]
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2019-0054.
#
include("compat.inc");
if (description)
{
script_id(131150);
script_version("1.2");
script_cvs_date("Date: 2019/12/09");
script_cve_id("CVE-2018-12207");
script_name(english:"OracleVM 3.4 : xen (OVMSA-2019-0054)");
script_summary(english:"Checks the RPM output for the updated packages.");
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=a3ec6768f487946b7316364bc9bd17ce4d752af5
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- x86/vtx ept-shatter ... (Andrew Cooper) [Orabug:
30522238] (CVE-2018-12207)
- x86: rename public functions in p2m-pt.c (Mukesh Rathor)
[Orabug: 30522238]
- Rename 'set_p2m_entry' to 'p2m_set_entry' (Mukesh
Rathor) [Orabug: 30522238]
- x86/mm: add information about faulted page's presence to
npfec structure (Boris Ostrovsky) [Orabug: 30522238]
- relocate struct npfec definition into common (Tamas K
Lengyel)
- EPT: utilize GLA->GPA translation known for certain
faults (Jan Beulich) [Orabug: 30522238]
- x86/mem_event: deliver gla fault EPT violation
information (Tamas K Lengyel) [Orabug: 30522238]
- x86: consolidate boolean inputs in hvm and p2m into a
shared bitmap (Tamas K Lengyel) [Orabug: 30522238]"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2019-November/000967.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?94d8eba2"
);
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:N/I:N/A:C");
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:C/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
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:"vuln_publication_date", value:"2019/11/14");
script_set_attribute(attribute:"patch_publication_date", value:"2019/11/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/20");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019 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_exists(rpm:"xen-4.4.4-155", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-4.4.4-155.0.75.el6")) flag++;
if (rpm_exists(rpm:"xen-tools-4.4.4-155", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-tools-4.4.4-155.0.75.el6")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(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");
}