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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.1825
                 Linux kernel vulnerability CVE-2019-19062
                                22 May 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           F5 Traffix SDC
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-19062  

Reference:         ESB-2020.0851
                   ESB-2019.4584
                   ESB-2019.4346.2

Original Bulletin: 
   https://support.f5.com/csp/article/K84797753

- --------------------------BEGIN INCLUDED TEXT--------------------

K84797753: Linux kernel vulnerability CVE-2019-19062

Security Advisory

Original Publication Date: 22 May, 2020

Security Advisory Description

A memory leak in the crypto_report() function in crypto/crypto_user_base.c in
the Linux kernel through 5.3.11 allows attackers to cause a denial of service
(memory consumption) by triggering crypto_report_alg() failures, aka
CID-ffdde5932042. (CVE-2019-19062)

Impact

A local attacker with access to induce the error conditions can use this flaw
to stop the Traffix system. The greatest threat from this vulnerability is to
system availability.

Security Advisory Status

F5 Product Development has assigned ID CPF-25195 (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 yo=
ur
release is known to be vulnerable, the components or features that are affect=
ed
by the vulnerability, and for information about releases, point releases, or
hotfixes that address the vulnerability, refer to the following table. For mo=
re
information about security advisory versioning, refer to K51812227:
Understanding Security Advisory versioning.

+-------------------+------+----------+----------+----------+------+---------=
- -+
|                   |      |Versions  |Fixes     |          |CVSSv3|Vulnerabl=
e|
|Product            |Branch|known to  |introduced|Severity  |score^|component=
 |
|                   |      |be        |in        |          |1     |or featur=
e|
|                   |      |vulnerable|          |          |      |         =
 |
+-------------------+------+----------+----------+----------+------+---------=
- -+
|                   |15.x  |None      |Not       |          |      |         =
 |
|                   |      |          |applicable|          |      |         =
 |
|                   +------+----------+----------+          |      |         =
 |
|                   |14.x  |None      |Not       |          |      |         =
 |
|BIG-IP (LTM, AAM,  |      |          |applicable|          |      |         =
 |
|AFM, Analytics,    +------+----------+----------+          |      |         =
 |
|APM, ASM, DNS, FPS,|13.x  |None      |Not       |Not       |None  |None     =
 |
|GTM, Link          |      |          |applicable|vulnerable|      |         =
 |
|Controller, PEM)   +------+----------+----------+          |      |         =
 |
|                   |12.x  |None      |Not       |          |      |         =
 |
|                   |      |          |applicable|          |      |         =
 |
|                   +------+----------+----------+          |      |         =
 |
|                   |11.x  |None      |Not       |          |      |         =
 |
|                   |      |          |applicable|          |      |         =
 |
+-------------------+------+----------+----------+----------+------+---------=
- -+
|                   |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   |5.1.0     |None      |Medium    |7.5   |Bash     =
 |
+-------------------+------+----------+----------+----------+------+---------=
- -+

^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 versio=
n,
then no upgrade candidate currently exists.

Mitigation

None

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 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

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
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===========================================================================
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