7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.974 High
EPSS
Percentile
99.9%
The remote OracleVM system is missing necessary patches to address critical security updates :
drivers/char/mem.c: deny access in open operation when securelevel is set (Ethan Zhao) [Orabug: 27234850] [Orabug: 27234850]
hugetlb: fix nr_pmds accounting with shared page tables (Kirill A. Shutemov) [Orabug: 26988581]
x86/IBRS: Drop unnecessary WRITE_ONCE (Boris Ostrovsky) [Orabug: 27416198]
x86/IBRS: Don’t try to change IBRS mode if IBRS is not available (Boris Ostrovsky) [Orabug: 27416198]
x86/IBRS: Remove support for IBRS_ENABLED_USER mode (Boris Ostrovsky)
x86: Include linux/device.h in bugs_64.c (Boris Ostrovsky) [Orabug: 27418896]
x86/spectre: Drop the warning about ibrs being obsolete.
(Konrad Rzeszutek Wilk)
x86/spec: Don’t print the Missing arguments for option spectre_v2. (Konrad Rzeszutek Wilk)
x86/spec: Also print IBRS if IBPB is disabled. (Konrad Rzeszutek Wilk)
x86/IBPB: Provide debugfs interface for changing IBPB mode (Boris Ostrovsky) [Orabug: 27449065]
xen: Make PV Dom0 Linux kernel NUMA aware (Elena Ufimtseva)
net/rds: Fix incorrect error handling (Hå kon Bugge) [Orabug: 26848729]
net/rds: use multiple sge than buddy allocation in congestion code (Wei Lin Guay) [Orabug: 26848729]
Revert ‘RDS: fix the sg allocation based on actual message size’ (Wei Lin Guay) [Orabug: 26848729]
Revert ‘RDS: avoid large pages for sg allocation for TCP transport’ (Wei Lin Guay) [Orabug: 26848729]
Revert ‘net/rds: Reduce memory footprint in rds_sendmsg’ (Wei Lin Guay) [Orabug: 26848729]
net/rds: reduce memory footprint during ib_post_recv in IB transport (Wei Lin Guay) [Orabug: 26848729]
net/rds: reduce memory footprint during rds_sendmsg with IB transport (Wei Lin Guay) [Orabug: 26848729]
net/rds: set the rds_ib_init_frag based on supported sge (Wei Lin Guay) [Orabug: 26848729]
bnxt_en: Fix possible corrupted NVRAM parameters from firmware response. (Michael Chan) [Orabug: 27199588]
x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y kernels (Andrey Ryabinin) [Orabug: 27255122]
x86, efi, kasan: Fix build failure on !KASAN && KMEMCHECK=y kernels (Andrey Ryabinin) [Orabug: 27255122]
x86, efi, kasan: #undef memset/memcpy/memmove per arch (Andrey Ryabinin) [Orabug: 27255122]
Revert ‘Makefile: Build with -Werror=date-time if the compiler supports it’ (Gayatri Vasudevan) [Orabug:
27255122]
dccp: CVE-2017-8824: use-after-free in DCCP code (Mohamed Ghannam) [Orabug: 27290300] (CVE-2017-8824)
x86/efi: Initialize and display UEFI secure boot state a bit later during init (Daniel Kiper) [Orabug: 27309477]
x86/espfix: Init espfix on the boot CPU side (Zhu Guihua) [Orabug: 27344552]
x86/espfix: Add ‘cpu’ parameter to init_espfix_ap (Zhu Guihua)
ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser) [Orabug: 27344841] (CVE-2017-0861) (CVE-2017-0861)
fs/ocfs2: remove page cache for converted direct write (Wengang Wang)
Revert ‘ocfs2: code clean up for direct io’ (Wengang Wang)
assoc_array: Fix a buggy node-splitting case (David Howells) [Orabug: 27364592] (CVE-2017-12193) (CVE-2017-12193)
Sanitize ‘move_pages’ permission checks (Linus Torvalds) [Orabug: 27364690] (CVE-2017-14140)
pti: compile fix for when PTI is disabled (Pavel Tatashin) [Orabug: 27383147] (CVE-2017-5754)
sctp: do not peel off an assoc from one netns to another one (Xin Long) [Orabug: 27386999] (CVE-2017-15115)
net: ipv4: fix for a race condition in raw_sendmsg (Mohamed Ghannam) [Orabug: 27390682] (CVE-2017-17712)
mlx4: add mstflint secure boot access kernel support (Qing Huang)
x86: Move STUFF_RSB in to the idt macro (Konrad Rzeszutek Wilk)
x86/spec: STUFF_RSB before ENABLE_IBRS (Konrad Rzeszutek Wilk)
x86: Move ENABLE_IBRS in the interrupt macro. (Konrad Rzeszutek Wilk)
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2018-0017.
#
include("compat.inc");
if (description)
{
script_id(106706);
script_version("3.4");
script_cvs_date("Date: 2019/09/27 13:00:35");
script_cve_id("CVE-2017-0861", "CVE-2017-12193", "CVE-2017-14140", "CVE-2017-15115", "CVE-2017-17712", "CVE-2017-5754", "CVE-2017-8824");
script_xref(name:"IAVA", value:"2018-A-0019");
script_name(english:"OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0017) (Meltdown)");
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 :
- drivers/char/mem.c: deny access in open operation when
securelevel is set (Ethan Zhao) [Orabug: 27234850]
[Orabug: 27234850]
- hugetlb: fix nr_pmds accounting with shared page tables
(Kirill A. Shutemov) [Orabug: 26988581]
- x86/IBRS: Drop unnecessary WRITE_ONCE (Boris Ostrovsky)
[Orabug: 27416198]
- x86/IBRS: Don't try to change IBRS mode if IBRS is not
available (Boris Ostrovsky) [Orabug: 27416198]
- x86/IBRS: Remove support for IBRS_ENABLED_USER mode
(Boris Ostrovsky)
- x86: Include linux/device.h in bugs_64.c (Boris
Ostrovsky) [Orabug: 27418896]
- x86/spectre: Drop the warning about ibrs being obsolete.
(Konrad Rzeszutek Wilk)
- x86/spec: Don't print the Missing arguments for option
spectre_v2. (Konrad Rzeszutek Wilk)
- x86/spec: Also print IBRS if IBPB is disabled. (Konrad
Rzeszutek Wilk)
- x86/IBPB: Provide debugfs interface for changing IBPB
mode (Boris Ostrovsky) [Orabug: 27449065]
- xen: Make PV Dom0 Linux kernel NUMA aware (Elena
Ufimtseva)
- net/rds: Fix incorrect error handling (Hå kon
Bugge) [Orabug: 26848729]
- net/rds: use multiple sge than buddy allocation in
congestion code (Wei Lin Guay) [Orabug: 26848729]
- Revert 'RDS: fix the sg allocation based on actual
message size' (Wei Lin Guay) [Orabug: 26848729]
- Revert 'RDS: avoid large pages for sg allocation for TCP
transport' (Wei Lin Guay) [Orabug: 26848729]
- Revert 'net/rds: Reduce memory footprint in rds_sendmsg'
(Wei Lin Guay) [Orabug: 26848729]
- net/rds: reduce memory footprint during ib_post_recv in
IB transport (Wei Lin Guay) [Orabug: 26848729]
- net/rds: reduce memory footprint during rds_sendmsg with
IB transport (Wei Lin Guay) [Orabug: 26848729]
- net/rds: set the rds_ib_init_frag based on supported sge
(Wei Lin Guay) [Orabug: 26848729]
- bnxt_en: Fix possible corrupted NVRAM parameters from
firmware response. (Michael Chan) [Orabug: 27199588]
- x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y
kernels (Andrey Ryabinin) [Orabug: 27255122]
- x86, efi, kasan: Fix build failure on !KASAN &&
KMEMCHECK=y kernels (Andrey Ryabinin) [Orabug: 27255122]
- x86, efi, kasan: #undef memset/memcpy/memmove per arch
(Andrey Ryabinin) [Orabug: 27255122]
- Revert 'Makefile: Build with -Werror=date-time if the
compiler supports it' (Gayatri Vasudevan) [Orabug:
27255122]
- dccp: CVE-2017-8824: use-after-free in DCCP code
(Mohamed Ghannam) [Orabug: 27290300] (CVE-2017-8824)
- x86/efi: Initialize and display UEFI secure boot state a
bit later during init (Daniel Kiper) [Orabug: 27309477]
- x86/espfix: Init espfix on the boot CPU side (Zhu
Guihua) [Orabug: 27344552]
- x86/espfix: Add 'cpu' parameter to init_espfix_ap (Zhu
Guihua)
- ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser)
[Orabug: 27344841] (CVE-2017-0861) (CVE-2017-0861)
- fs/ocfs2: remove page cache for converted direct write
(Wengang Wang)
- Revert 'ocfs2: code clean up for direct io' (Wengang
Wang)
- assoc_array: Fix a buggy node-splitting case (David
Howells) [Orabug: 27364592] (CVE-2017-12193)
(CVE-2017-12193)
- Sanitize 'move_pages' permission checks (Linus Torvalds)
[Orabug: 27364690] (CVE-2017-14140)
- pti: compile fix for when PTI is disabled (Pavel
Tatashin) [Orabug: 27383147] (CVE-2017-5754)
- sctp: do not peel off an assoc from one netns to another
one (Xin Long) [Orabug: 27386999] (CVE-2017-15115)
- net: ipv4: fix for a race condition in raw_sendmsg
(Mohamed Ghannam) [Orabug: 27390682] (CVE-2017-17712)
- mlx4: add mstflint secure boot access kernel support
(Qing Huang)
- x86: Move STUFF_RSB in to the idt macro (Konrad
Rzeszutek Wilk)
- x86/spec: STUFF_RSB _before_ ENABLE_IBRS (Konrad
Rzeszutek Wilk)
- x86: Move ENABLE_IBRS in the interrupt macro. (Konrad
Rzeszutek Wilk)"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2018-February/000828.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?f9702f90"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected kernel-uek / kernel-uek-firmware 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:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/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:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek-firmware");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/09/05");
script_set_attribute(attribute:"patch_publication_date", value:"2018/02/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/09");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
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_check(release:"OVS3.4", reference:"kernel-uek-4.1.12-112.14.14.el6uek")) flag++;
if (rpm_check(release:"OVS3.4", reference:"kernel-uek-firmware-4.1.12-112.14.14.el6uek")) 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, "kernel-uek / kernel-uek-firmware");
}
Vendor | Product | Version | CPE |
---|---|---|---|
oracle | vm | kernel-uek | p-cpe:/a:oracle:vm:kernel-uek |
oracle | vm | kernel-uek-firmware | p-cpe:/a:oracle:vm:kernel-uek-firmware |
oracle | vm_server | 3.4 | cpe:/o:oracle:vm_server:3.4 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0861
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12193
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14140
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15115
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17712
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5754
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8824
www.nessus.org/u?f9702f90
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.974 High
EPSS
Percentile
99.9%