The remote OracleVM system is missing necessary patches to address critical security updates :
BUILDINFO: xen commit=74b662e79bc874fe8ad8a93d2891e6569c380004
BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
gnttab: __gnttab_unmap_common_complete is all-or-nothing (Jan Beulich) [Orabug: 26288614]
gnttab: correct logic to get page references during map requests (George Dunlap) [Orabug: 26288614]
gnttab: never create host mapping unless asked to (Jan Beulich)
gnttab: Fix handling of dev_bus_addr during unmap (George Dunlap)
x86/shadow: Hold references for the duration of emulated writes (Andrew Cooper) [Orabug: 26288568]
x86/mm: disallow page stealing from HVM domains (Jan Beulich)
guest_physmap_remove_page needs its return value checked (Jan Beulich) [Orabug: 26288602]
xen/memory: Fix return value handing of guest_remove_page (Andrew Cooper) [Orabug: 26288602]
evtchn: avoid NULL derefs (Jan Beulich) [Orabug:
26288583]
gnttab: correct maptrack table accesses (Jan Beulich) [Orabug: 26288557]
gnttab: Avoid potential double-put of maptrack entry (George Dunlap)
gnttab: fix unmap pin accounting race (Jan Beulich) [Orabug: 26288557]
IOMMU: handle IOMMU mapping and unmapping failures (Quan Xu) [Orabug: 26288557]
xen/disk: don’t leak stack data via response ring (Jan Beulich)
BUILDINFO: xen commit=7b45c3eb48a884f56f072a97a9a8da4d0b1077ed
BUILDINFO: QEMU upstream commit=44c5f0a55d9a73e592426c33ce5705c969681955
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
livepatch: Wrong usage of spinlock on debug console.
(Konrad Rzeszutek Wilk) [Orabug: 26248311]
BUILDINFO: xen commit=40e21e7aea2b8bbc991346c3f516dfac4f94affe
BUILDINFO: QEMU upstream commit=44c5f0a55d9a73e592426c33ce5705c969681955
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
x86/do_invalid_op should use is_active_kernel_text rather than having its (Konrad Rzeszutek Wilk) [Orabug:
26129273]
BUILDINFO: xen commit=0eadc919cf32139e5565e0d869ed09f35c0a3212
BUILDINFO: QEMU upstream commit=44c5f0a55d9a73e592426c33ce5705c969681955
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
kexec: Add spinlock for the whole hypercall. (Konrad Rzeszutek Wilk)
kexec: clear kexec_image slot when unloading kexec image (Bhavesh Davda) [Orabug: 25861742]
BUILDINFO: xen commit=8b90d66cd941599d50ee80e14fd144e337814bf6
BUILDINFO: QEMU upstream commit=44c5f0a55d9a73e592426c33ce5705c969681955
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
x86: correct create_bounce_frame (tagged with CVE number) (Boris Ostrovsky) [Orabug: 25927739] (CVE-2017-8905)
x86: discard type information when stealing pages (tagged with CVE number) (Boris Ostrovsky) [Orabug:
25927669] (CVE-2017-8904)
multicall: deal with early exit conditions (tagged with CVE number) (Boris Ostrovsky) [Orabug: 25927592] (CVE-2017-8903)
BUILDINFO: xen commit=583dedab5ceddbae4d0384de0ade8feeee75f78c
BUILDINFO: QEMU upstream commit=fcd17fdf18b95a9e408acc84f6d2b37cf3fc0335
BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e
BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee
tools/libxc: Set max_elem to zero in xc_lockprof_query_number (Boris Ostrovsky) [Orabug:
26020611]
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2017-0116.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(101195);
script_version("3.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2017-8903", "CVE-2017-8904", "CVE-2017-8905");
script_name(english:"OracleVM 3.4 : xen (OVMSA-2017-0116)");
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=74b662e79bc874fe8ad8a93d2891e6569c380004
- BUILDINFO: QEMU upstream
commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- gnttab: __gnttab_unmap_common_complete is all-or-nothing
(Jan Beulich) [Orabug: 26288614]
- gnttab: correct logic to get page references during map
requests (George Dunlap) [Orabug: 26288614]
- gnttab: never create host mapping unless asked to (Jan
Beulich)
- gnttab: Fix handling of dev_bus_addr during unmap
(George Dunlap)
- x86/shadow: Hold references for the duration of emulated
writes (Andrew Cooper) [Orabug: 26288568]
- x86/mm: disallow page stealing from HVM domains (Jan
Beulich)
- guest_physmap_remove_page needs its return value checked
(Jan Beulich) [Orabug: 26288602]
- xen/memory: Fix return value handing of
guest_remove_page (Andrew Cooper) [Orabug: 26288602]
- evtchn: avoid NULL derefs (Jan Beulich) [Orabug:
26288583]
- gnttab: correct maptrack table accesses (Jan Beulich)
[Orabug: 26288557]
- gnttab: Avoid potential double-put of maptrack entry
(George Dunlap)
- gnttab: fix unmap pin accounting race (Jan Beulich)
[Orabug: 26288557]
- IOMMU: handle IOMMU mapping and unmapping failures (Quan
Xu) [Orabug: 26288557]
- xen/disk: don't leak stack data via response ring (Jan
Beulich)
- BUILDINFO: xen
commit=7b45c3eb48a884f56f072a97a9a8da4d0b1077ed
- BUILDINFO: QEMU upstream
commit=44c5f0a55d9a73e592426c33ce5705c969681955
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- livepatch: Wrong usage of spinlock on debug console.
(Konrad Rzeszutek Wilk) [Orabug: 26248311]
- BUILDINFO: xen
commit=40e21e7aea2b8bbc991346c3f516dfac4f94affe
- BUILDINFO: QEMU upstream
commit=44c5f0a55d9a73e592426c33ce5705c969681955
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- x86/do_invalid_op should use is_active_kernel_text
rather than having its (Konrad Rzeszutek Wilk) [Orabug:
26129273]
- BUILDINFO: xen
commit=0eadc919cf32139e5565e0d869ed09f35c0a3212
- BUILDINFO: QEMU upstream
commit=44c5f0a55d9a73e592426c33ce5705c969681955
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- kexec: Add spinlock for the whole hypercall. (Konrad
Rzeszutek Wilk)
- kexec: clear kexec_image slot when unloading kexec image
(Bhavesh Davda) [Orabug: 25861742]
- BUILDINFO: xen
commit=8b90d66cd941599d50ee80e14fd144e337814bf6
- BUILDINFO: QEMU upstream
commit=44c5f0a55d9a73e592426c33ce5705c969681955
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- x86: correct create_bounce_frame (tagged with CVE
number) (Boris Ostrovsky) [Orabug: 25927739]
(CVE-2017-8905)
- x86: discard type information when stealing pages
(tagged with CVE number) (Boris Ostrovsky) [Orabug:
25927669] (CVE-2017-8904)
- multicall: deal with early exit conditions (tagged with
CVE number) (Boris Ostrovsky) [Orabug: 25927592]
(CVE-2017-8903)
- BUILDINFO: xen
commit=583dedab5ceddbae4d0384de0ade8feeee75f78c
- BUILDINFO: QEMU upstream
commit=fcd17fdf18b95a9e408acc84f6d2b37cf3fc0335
- BUILDINFO: QEMU traditional
commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba
- BUILDINFO: IPXE
commit=9a93db3f0947484e30e753bbd61a10b17336e20e
- BUILDINFO: SeaBIOS
commit=7d9cbe613694924921ed1a6f8947d711c5832eee
- tools/libxc: Set max_elem to zero in
xc_lockprof_query_number (Boris Ostrovsky) [Orabug:
26020611]"
);
script_set_attribute(
attribute:"see_also",
value:"https://oss.oracle.com/pipermail/oraclevm-errata/2017-June/000744.html"
);
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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/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:"exploit_available", value:"false");
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:"2017/05/11");
script_set_attribute(attribute:"patch_publication_date", value:"2017/06/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/07/03");
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-4.4.4-115", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-4.4.4-115.0.12.el6")) flag++;
if (rpm_exists(rpm:"xen-tools-4.4.4-115", release:"OVS3.4") && rpm_check(release:"OVS3.4", reference:"xen-tools-4.4.4-115.0.12.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");
}