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AUSCERT External Security Bulletin Redistribution
ESB-2020.0597.3
Intel processors vulnerability CVE-2019-14607
22 January 2021
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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: Increased Privileges -- Existing Account
Access Privileged Data -- Existing Account
Denial of Service -- 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: January 22 2021: Vendor updated vulnerable product information
February 28 2020: Additional impacts added
February 20 2020: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
K29100014: Intel processors vulnerability CVE-2019-14607
Original Publication Date: 19 Feb, 2020
Latest Publication Date: 22 Jan, 2021
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, D110, C115, C117, and C120 platforms, only deployments running a
Virtual Clustered Multiprocessing (vCMP) configuration are vulnerable.
Deployments without vCMP are not vulnerable, as the issue is limited to
virtualized environments that share a physical CPU.
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 contain the affected Intel processors:
o C113 BIG-IP 4000s - 4200v
All 4000s - 4200v do not support vCMP
o C109 BIG-IP 5000s - 5250v
5000s do not support vCMP
5200v and 5250v support vCMP
o D110 BIG-IP 7000s - 7250v
7000s do not support vCMP
7200v, 7250v, and 7255v support vCMP
o C115 (BIG-IP i4600)
o C117 (BIG-IP i2600)
o C120 (HERCULON i2800)
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.
F5 will not develop a fix for vulnerable products that do not already have a
fixed version listed in this article, and will not update this table with
subsequent vulnerable releases in the associated branches. F5 recommends that
you update to more recent, non-vulnerable versions whenever feasible. For more
information, refer to K4602: Overview of the F5 security vulnerability response
policy.
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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