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AUSCERT External Security Bulletin Redistribution
ESB-2020.0597.2
Intel processors vulnerability CVE-2019-14607
28 February 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP Products
F5 Traffix Products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Access Privileged Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-14607
Reference: ESB-2019.4707
ESB-2019.4651.2
Original Bulletin:
https://support.f5.com/csp/article/K29100014
Revision History: February 28 2020: Additional impacts added
February 20 2020: Initial Release
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K29100014:Intel processors vulnerability CVE-2019-14607
Security Advisory
Original Publication Date: 19 Feb, 2020
Latest Publication Date: 26 Feb, 2020
Security Advisory Description
Improper conditions check in multiple Intel- Processors may allow an
authenticated user to potentially enable partial escalation of privilege,
denial of service and/or information disclosure via local access. (
CVE-2019-14607)
Impact
While certain F5 hardware platforms contain the affected processor, such as the
C109, C113, and D110 platforms, they are not vulnerable in any default,
standard, or recommended configuration. These platforms do not support Virtual
Clustered Multiprocessing (vCMP) and are, therefore, not impacted by this
vulnerability, which is specific to virtualized environments.
All versions of BIG-IP Virtual Edition (VE) are potentially impacted if the
processor underlying the BIG-IP VE installation is affected. Microcode updates
from Intel are available to address this issue, but must be applied at the
hardware level, which is outside the scope of the ability of F5 to support or
patch.
This hardware issue impacts all platforms using the following Intel processor
families
o Datacenter Microprocessors
o Client and Xeon E3 Microprocessors
o Intel Xeon Processor E3 v5 & v6 Family
o Intel Xeon E Processor
o Intel Xeon D, W Processor
o Intel Core i9 8th & 9th Generation
BIG-IP
The following BIG-IP platforms are vulnerable:
o C113 BIG-IP 4000s - 4200v
o C109 BIG-IP 5000s - 5250v
o D110 BIG-IP 7000s - 7250v
Traffix
Only HPE Gen10 servers are vulnerable.
Security Advisory Status
F5 Product Development has assigned ID 878317 (BIG-IP) and CPF-25174 (Traffix)
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| | | | |
+-------------------+------+----------+----------+----------+------+----------+
| |15.x |15.0.0 - |None | | | |
| | |15.1.0 | | | | |
| +------+----------+----------+ | | |
| |14.x |14.1.0 - |None | | | |
|BIG-IP (LTM, AAM, | |14.1.2 | | | | |
|AFM, Analytics, +------+----------+----------+ | | |
|APM, ASM, DNS, FPS,|13.x |13.1.0 - |None |Medium |5.3 |CPU |
|GTM, Link | |13.1.3 | | | | |
|Controller, PEM) +------+----------+----------+ | | |
| |12.x |12.1.0 - |None | | | |
| | |12.1.5 | | | | |
| +------+----------+----------+ | | |
| |11.x |11.5.2 - |None | | | |
| | |11.6.5 | | | | |
+-------------------+------+----------+----------+----------+------+----------+
| |7.x |None |Not | | | |
| | | |applicable| | | |
| +------+----------+----------+ | | |
|BIG-IQ Centralized |6.x |None |Not |Not |None |None |
|Management | | |applicable|vulnerable| | |
| +------+----------+----------+ | | |
| |5.x |None |Not | | | |
| | | |applicable| | | |
+-------------------+------+----------+----------+----------+------+----------+
|Traffix SDC |5.x |5.0.0 - |None |Medium |5.3 |CPU |
| | |5.1.0 | | | | |
+-------------------+------+----------+----------+----------+------+----------+
^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
BIG-IP
This impacts vCMP systems with single-core guests and BIG-IP VE systems running
on unpatched CPUs.
For BIG-IP VE systems, responsibility for preventing these attacks falls on the
hypervisor/host platform, which is outside the scope of the ability of F5 to
support or patch. To mitigate this issue, contact your cloud provider or
hypervisor vendor to ensure their platforms or products are not subject to this
vulnerability.
For vCMP systems, to mitigate this vulnerability, you should configure vCMP
guests to use at least two cores so that physical CPUs are not shared among
guests.
Traffix
Intel is releasing firmware updates to mitigate this potential vulnerability.
To mitigate this vulnerability, you can update to the latest firmware provided
by Intel. For more information, refer to Intel Security Advisory INTEL-SA-00317
.
Note: This link takes you to a resource outside of AskF5, and it is possible
that the document may be removed without our knowledge.
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 K167: Downloading software and firmware from F5
o K9970: Subscribing to email notifications regarding F5 products
o K9957: Creating a custom RSS feed to view new and updated documents
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