The remote OracleVM system is missing necessary patches to address critical security updates :
BUILDINFO: xen commit=18ec2b68e519646188fd26a05b2cd26ebd829035
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
Revert ‘xend: fix memory leak of XendConfig.XendConfig object’ (Konrad Rzeszutek Wilk) [Orabug: 28506675]
BUILDINFO: xen commit=7023729bcb7dd5c156bc8ee31a7971f036e43f66
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
l1tf: Utility to offline/online SMT siblings. (Ross Philipson) [Orabug: 28487029] (CVE-2018-3646)
x86/spec-ctrl: Introduce an option to control L1D_FLUSH for HVM guests (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3620) (CVE-2018-3646)
x86/msr: Virtualise MSR_FLUSH_CMD for guests (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3646) (CVE-2018-3646)
x86/spec-ctrl: CPUID/MSR definitions for L1D_FLUSH (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3646) (CVE-2018-3646)
x86/spec-ctrl: Calculate safe PTE addresses for L1TF mitigations (Andrew Cooper) [Orabug: 28487029] (CVE-2018-3620) (CVE-2018-3646)
x86: command line option to avoid use of secondary hyper-threads (Jan Beulich) [Orabug: 28487029] (CVE-2018-3646)
cpupools: fix state when downing a CPU failed (Jan Beulich) [Orabug: 28487029] (CVE-2018-3646)
BUILDINFO: xen commit=63c397f89da7c720208e599696ada989121f3698
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
xend: fix memory leak of XendConfig.XendConfig object (Manjunath Patil) [Orabug: 28223470]
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2018-0251.
#
include("compat.inc");
if (description)
{
script_id(112024);
script_version("1.4");
script_cvs_date("Date: 2019/09/27 13:00:35");
script_cve_id("CVE-2018-3620", "CVE-2018-3646");
script_name(english:"OracleVM 3.4 : xen (OVMSA-2018-0251) (Foreshadow)");
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: xen
commit=18ec2b68e519646188fd26a05b2cd26ebd829035
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- Revert 'xend: fix memory leak of XendConfig.XendConfig
object' (Konrad Rzeszutek Wilk) [Orabug: 28506675]
- BUILDINFO: xen
commit=7023729bcb7dd5c156bc8ee31a7971f036e43f66
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- l1tf: Utility to offline/online SMT siblings. (Ross
Philipson) [Orabug: 28487029] (CVE-2018-3646)
- x86/spec-ctrl: Introduce an option to control L1D_FLUSH
for HVM guests (Andrew Cooper) [Orabug: 28487029]
(CVE-2018-3620) (CVE-2018-3646)
- x86/msr: Virtualise MSR_FLUSH_CMD for guests (Andrew
Cooper) [Orabug: 28487029] (CVE-2018-3646)
(CVE-2018-3646)
- x86/spec-ctrl: CPUID/MSR definitions for L1D_FLUSH
(Andrew Cooper) [Orabug: 28487029] (CVE-2018-3646)
(CVE-2018-3646)
- x86/spec-ctrl: Calculate safe PTE addresses for L1TF
mitigations (Andrew Cooper) [Orabug: 28487029]
(CVE-2018-3620) (CVE-2018-3646)
- x86: command line option to avoid use of secondary
hyper-threads (Jan Beulich) [Orabug: 28487029]
(CVE-2018-3646)
- cpupools: fix state when downing a CPU failed (Jan
Beulich) [Orabug: 28487029] (CVE-2018-3646)
- BUILDINFO: xen
commit=63c397f89da7c720208e599696ada989121f3698
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- xend: fix memory leak of XendConfig.XendConfig object
(Manjunath Patil) [Orabug: 28223470]"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2018-August/000885.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?bdcf73b7"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected xen / xen-tools packages."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N");
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:"2018/08/14");
script_set_attribute(attribute:"patch_publication_date", value:"2018/08/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/08/21");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2019 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-4.4.4-105", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-4.4.4-105.0.53.el6")) flag++;
if (rpm_exists(rpm:"xen-tools-4.4.4-105", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-tools-4.4.4-105.0.53.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");
}