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AUSCERT External Security Bulletin Redistribution
ESB-2019.4561.2
Intel MCE vulnerability CVE-2018-12207
25 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Denial of Service -- Existing Account
Resolution: Mitigation
CVE Names: CVE-2018-12207
Reference: ASB-2019.0330
ASB-2019.0313
ESB-2019.4246
Original Bulletin:
https://support.f5.com/csp/article/K17269881
Revision History: September 25 2020: Minor advisory update
December 5 2019: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
K17269881:Intel MCE vulnerability CVE-2018-12207
Security Advisory
Original Publication Date: 05 Dec, 2019
Latest Publication Date: 24 Sep, 2020
Security Advisory Description
Improper invalidation for page table updates by a virtual guest operating
system for multiple Intel(R) Processors may allow an authenticated user to
potentially enable denial of service of the host system via local access. (
CVE-2018-12207)
Impact
A privileged guest user may use this flaw to induce a hardware Machine Check
Error (MCE) that halts the host processor and results in a denial-of-service
(DoS) scenario.
This is a hardware issue and requires kernel updates to remediate. This issue
impacts all BIG-IP platforms using the following Intel processor families:
o Xeon
o Pentium Gold
o Core X-series
o Core i
o Celeron G
The following BIG-IP platforms are vulnerable:
o BIG-IP 2000s, 2200s, 4000s, 4200v, 5000s, 5050s, 5200v,5250v, 5250v fips,
7000s, 7200v , 7200v FIPS , 7250v series
o BIG-IP 10000s, 10050s, 10055s, 10150s NEBS, 10200v, 10200v FIPS, 10200v
SSL, 10250v, 10255v, 10350v, 10350v NEBS, 11050 NEBS, 12250v series
o BIG-IP iSeries platforms: i850, i2x00, i4x00, i5x00, i5820-DF, i7x00,
i7x00-D2, i7820-DF, i10x00 / i10x00-D2, i11x00, i11x00-DS, i15x00
o VIPRION B2100, VIPRION B2150 , VIPRION B2250, VIPRION B4300 , VIPRION
B4340N
o Enterprise Manager 4000
o BIG-IQ 7000
The following BIG-IP platforms are not vulnerable:
o BIG-IP 800, 1600, 3600, 3900, 4200, 4340, 6900 series
o BIG-IP 8900, 8950, 1100, 11050, 11050 FIPS series
Security Advisory Status
F5 Product Development has assigned ID 856961 (BIG-IP) to this vulnerability.
To determine if your product and version have been evaluated for this
vulnerability, refer to the Applies to (see versions) box. To determine if your
release is known to be vulnerable, the components or features that are affected
by the vulnerability, and for information about releases, point releases, or
hotfixes that address the vulnerability, refer to the following table. For more
information about security advisory versioning, refer to K51812227:
Understanding Security Advisory versioning.
+-------------------+------+----------+----------+----------+------+----------+
| | |Versions |Fixes | |CVSSv3|Vulnerable|
|Product |Branch|known to |introduced|Severity |score^|component |
| | |be |in | |1 |or feature|
| | |vulnerable| | | | |
+-------------------+------+----------+----------+----------+------+----------+
| |16.x |None |16.0.0 | | | |
| +------+----------+----------+ | | |
| | |15.1.0 |15.1.0.5 | | | |
| |15.x |15.0.0 - |15.0.1.4 | | | |
| | |15.0.1 | | | | |
| +------+----------+----------+ | | |
|BIG-IP (LTM, AAM, |14.x |14.1.0 - |14.1.2.8 | | |Linux |
|AFM, Analytics, | |14.1.2 | | | |Kernel |
|APM, ASM, DNS, FPS,+------+----------+----------+Medium |6.5 |(BaseOS) |
|GTM, Link |13.x |13.1.0 - |None | | | |
|Controller, PEM) | |13.1.3 | | | | |
| +------+----------+----------+ | | |
| |12.x |12.1.0 - |None | | | |
| | |12.1.5 | | | | |
| +------+----------+----------+ | | |
| |11.x |11.5.2 - |None | | | |
| | |11.6.5 | | | | |
+-------------------+------+----------+----------+----------+------+----------+
| | | | | | |Linux |
|Enterprise Manager |3.x |3.1.1 |None |Medium |6.5 |Kernel |
| | | | | | |(BaseOS) |
+-------------------+------+----------+----------+----------+------+----------+
| |7.x |7.0.0 |None | | | |
| +------+----------+----------+ | | |
|BIG-IQ Centralized |6.x |6.0.0 - |None | | |Linux |
|Management | |6.1.0 | |Medium |6.5 |Kernel |
| +------+----------+----------+ | |(BaseOS) |
| |5.x |5.2.0 - |None | | | |
| | |5.4.0 | | | | |
+-------------------+------+----------+----------+----------+------+----------+
|Traffix SDC |5.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+-------------------+------+----------+----------+----------+------+----------+
^1The CVSSv3 score link takes you to a resource outside of AskF5, and it is
possible that the document may be removed without our knowledge.
Security Advisory Recommended Actions
If you are running a version listed in the Versions known to be vulnerable
column, you can eliminate this vulnerability by upgrading to a version listed
in the Fixes introduced in column. If the table lists only an older version
than what you are currently running, or does not list a non-vulnerable version,
then no upgrade candidate currently exists.
Mitigation
To mitigate this vulnerability, you can secure access to the BIG-IP system so
that only trusted users have access to the system and avoid installing kernel
modules whose authenticity are unknown on the BIG-IP system. For more
information on securing access to the BIG-IP system, refer to K13092: Overview
of securing access to the BIG-IP system.
Supplemental Information
o K51812227: Understanding Security Advisory versioning
o K41942608: Overview of Security Advisory articles
o K4602: Overview of the F5 security vulnerability response policy
o K4918: Overview of the F5 critical issue hotfix policy
o K9502: BIG-IP hotfix and point release matrix
o K13123: Managing BIG-IP product hotfixes (11.x - 15.x)
o K15106: Managing BIG-IQ product hotfixes
o K15113: BIG-IQ hotfix and point release matrix
o K167: Downloading software and firmware from F5
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