The remote OracleVM system is missing necessary patches to address critical security updates :
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=b90f0a4fa66aea67e743c393ba307612a2fec379
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
p2m: Check return value of p2m_set_entry when decreasing reservation (George Dunlap) [Orabug: 27216264] (CVE-2017-17045)
p2m: Always check to see if removing a p2m entry actually worked (George Dunlap) [Orabug: 27216264] (CVE-2017-17045)
x86/pod: prevent infinite loop when shattering large pages (Julien Grall) [Orabug: 27216261] (CVE-2017-17044)
xen/physmap: Do not permit a guest to populate PoD pages for itself (Elena Ufimtseva) [Orabug: 27216261] (CVE-2017-17044)
xend/pxm: Include pxm in XenStore when hotplugging PCI devices (Konrad Rzeszutek Wilk) [Orabug: 27206706]
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=2f4972e50ebd2a470b19bfdb1fc6ce91e77614e0
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
vNUMA: assign vcpus to nodes by interleaving (Elena Ufimtseva)
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=c9c2df2dc87e18c9dcf584aedf859ab50b62883a
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
vNUMA: disable vNUMA if fail to find vcpus for pinning (Elena Ufimtseva) [Orabug: 27091931]
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=fe4d54f49f8cf07f9e9d8077b7c85d287fb5c90c
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
x86/shadow: correct SH_LINEAR mapping detection in sh_guess_wrmap (Andrew Cooper) [Orabug: 27148184] (CVE-2017-15592) (CVE-2017-15592)
x86: don’t wrongly trigger linear page table assertion (Jan Beulich) [Orabug: 27148179] (CVE-2017-15595)
BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
BUILDINFO: xen commit=b67a2d04c74002cceabfa76612a27fd1cf3f2b29
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
vNUMA: fix cpus assignment in manual vNUMA mode. (Elena Ufimtseva)
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2017-0176.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(105249);
script_version("3.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2017-15592", "CVE-2017-15595", "CVE-2017-17044", "CVE-2017-17045");
script_name(english:"OracleVM 3.4 : xen (OVMSA-2017-0176)");
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=b90f0a4fa66aea67e743c393ba307612a2fec379
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- p2m: Check return value of p2m_set_entry when decreasing
reservation (George Dunlap) [Orabug: 27216264]
(CVE-2017-17045)
- p2m: Always check to see if removing a p2m entry
actually worked (George Dunlap) [Orabug: 27216264]
(CVE-2017-17045)
- x86/pod: prevent infinite loop when shattering large
pages (Julien Grall) [Orabug: 27216261] (CVE-2017-17044)
- xen/physmap: Do not permit a guest to populate PoD pages
for itself (Elena Ufimtseva) [Orabug: 27216261]
(CVE-2017-17044)
- xend/pxm: Include pxm in XenStore when hotplugging PCI
devices (Konrad Rzeszutek Wilk) [Orabug: 27206706]
- BUILDINFO: OVMF
commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
- BUILDINFO: xen
commit=2f4972e50ebd2a470b19bfdb1fc6ce91e77614e0
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- vNUMA: assign vcpus to nodes by interleaving (Elena
Ufimtseva)
- BUILDINFO: OVMF
commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
- BUILDINFO: xen
commit=c9c2df2dc87e18c9dcf584aedf859ab50b62883a
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- vNUMA: disable vNUMA if fail to find vcpus for pinning
(Elena Ufimtseva) [Orabug: 27091931]
- BUILDINFO: OVMF
commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
- BUILDINFO: xen
commit=fe4d54f49f8cf07f9e9d8077b7c85d287fb5c90c
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- x86/shadow: correct SH_LINEAR mapping detection in
sh_guess_wrmap (Andrew Cooper) [Orabug: 27148184]
(CVE-2017-15592) (CVE-2017-15592)
- x86: don't wrongly trigger linear page table assertion
(Jan Beulich) [Orabug: 27148179] (CVE-2017-15595)
- BUILDINFO: OVMF
commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8
- BUILDINFO: xen
commit=b67a2d04c74002cceabfa76612a27fd1cf3f2b29
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- vNUMA: fix cpus assignment in manual vNUMA mode. (Elena
Ufimtseva)"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2017-December/000808.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?fa5ebf09"
);
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:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
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:"2017/10/18");
script_set_attribute(attribute:"patch_publication_date", value:"2017/12/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/12/14");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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-4.4.4-155.0.7.el6")) flag++;
if (rpm_exists(rpm:"xen-tools-4.4.4-155", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-tools-4.4.4-155.0.7.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");
}