ESB-2018.1011 - [Appliance] F5 BIG-IP Products: Multiple vulnerabilities 2018-04-04

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1011
             K34527393:LibTIFF vulnerabilities CVE-2016-9533,
                     CVE-2016-9534, and CVE-2016-9535
                               4 April 2018

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9535 CVE-2016-9534 CVE-2016-9533

Reference:         ESB-2017.1103
                   ESB-2017.0814
                   ESB-2017.0534.2
                   ESB-2017.0304
                   ESB-2017.0114

Original Bulletin: 
   https://support.f5.com/csp/article/K34527393

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K34527393:LibTIFF vulnerabilities CVE-2016-9533, CVE-2016-9534, and CVE-2016-9535

Security Advisory

Original Publication Date: 13 Apr, 2017

Latest   Publication Date: 03 Apr, 2018

Security Advisory Description

  o CVE-2016-9533

    tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in
    heap allocated buffers. Reported as MSVR 35094, aka "PixarLog
    horizontalDifference heap-buffer-overflow."

  o CVE-2016-9534

    tif_write.c in libtiff 4.0.6 has an issue in the error code path of
    TIFFFlushData1() that didn't reset the tif_rawcc and tif_rawcp members.
    Reported as MSVR 35095, aka "TIFFFlushData1 heap-buffer-overflow."

  o CVE-2016-9535

    tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can
    lead to assertion failures in debug mode, or buffer overflows in release
    mode, when dealing with unusual tile size like YCbCr with subsampling.
    Reported as MSVR 35105, aka "Predictor heap-buffer-overflow."

Impact

An attacker can cause a denial of service (DoS), execute code remotely, or gain
access to sensitive information.


Security Advisory Status

F5 Product Development has assigned ID 642659 (BIG-IP) and CPF-23679 (Traffix
SDC) to this vulnerability. Additionally, BIG-IP iHealth may list Heuristic
H658090 on the Diagnostics > Identified > Medium screen.

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 or hotfixes that address the vulnerability, refer to the following
table.

+--------------+------------+--------------+-----------+----------------------+
|              |Versions    |Versions known|           |Vulnerable component  |
|Product       |known to be |to be not     |Severity   |or feature            |
|              |vulnerable  |vulnerable    |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |           |                      |
|              |            |12.0.0 -      |Not        |                      |
|BIG-IP LTM    |None        |12.1.3        |vulnerable^|None                  |
|              |            |11.4.0 -      |1          |                      |
|              |            |11.6.1        |           |                      |
|              |            |11.2.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |13.0.0      |              |           |WebAcceleration       |
|              |12.0.0 -    |13.1.0        |           |profile configured    |
|BIG-IP AAM    |12.1.2      |13.0.1        |Medium     |with Image            |
|              |11.4.0 -    |12.1.3        |           |Optimization          |
|              |11.6.1      |              |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |Not        |                      |
|BIG-IP AFM    |None        |12.0.0 -      |vulnerable^|None                  |
|              |            |12.1.3        |1          |                      |
|              |            |11.4.0 -      |           |                      |
|              |            |11.6.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |           |                      |
|BIG-IP        |            |12.0.0 -      |Not        |                      |
|Analytics     |None        |12.1.3        |vulnerable^|None                  |
|              |            |11.4.0 -      |1          |                      |
|              |            |11.6.1        |           |                      |
|              |            |11.2.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |           |                      |
|              |            |12.0.0 -      |Not        |                      |
|BIG-IP APM    |None        |12.1.3        |vulnerable^|None                  |
|              |            |11.4.0 -      |1          |                      |
|              |            |11.6.1        |           |                      |
|              |            |11.2.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |           |                      |
|              |            |12.0.0 -      |Not        |                      |
|BIG-IP ASM    |None        |12.1.3        |vulnerable^|None                  |
|              |            |11.4.0 -      |1          |                      |
|              |            |11.6.1        |           |                      |
|              |            |11.2.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |Not        |                      |
|BIG-IP DNS    |None        |13.1.0        |vulnerable^|None                  |
|              |            |12.0.0 -      |1          |                      |
|              |            |12.1.3        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IP Edge   |            |              |Not        |                      |
|Gateway       |None        |11.2.1        |vulnerable^|None                  |
|              |            |              |1          |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |11.4.0 -      |Not        |                      |
|BIG-IP GTM    |None        |11.6.1        |vulnerable^|None                  |
|              |            |11.2.1        |1          |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |           |                      |
|BIG-IP Link   |            |12.0.0 -      |Not        |                      |
|Controller    |None        |12.1.3        |vulnerable^|None                  |
|              |            |11.4.0 -      |1          |                      |
|              |            |11.6.1        |           |                      |
|              |            |11.2.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |Not        |                      |
|BIG-IP PEM    |None        |12.0.0 -      |vulnerable^|None                  |
|              |            |12.1.3        |1          |                      |
|              |            |11.4.0 -      |           |                      |
|              |            |11.6.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |11.4.0 -      |Not        |                      |
|BIG-IP PSM    |None        |11.4.1        |vulnerable^|None                  |
|              |            |              |1          |                      |
+--------------+------------+--------------+-----------+----------------------+
|              |            |              |           |WebAcceleration       |
|BIG-IP        |11.2.1      |None          |Medium     |profile configured    |
|WebAccelerator|            |              |           |with Image            |
|              |            |              |           |Optimization          |
+--------------+------------+--------------+-----------+----------------------+
|              |            |13.0.0 -      |           |                      |
|              |            |13.1.0        |Not        |                      |
|BIG-IP WebSafe|None        |12.0.0 -      |vulnerable^|None                  |
|              |            |12.1.3        |1          |                      |
|              |            |11.6.0 -      |           |                      |
|              |            |11.6.1        |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|ARX           |None        |6.2.0 - 6.4.0 |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|Enterprise    |None        |3.1.1         |Not        |None                  |
|Manager       |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ Cloud  |None        |4.4.0 - 4.5.0 |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ Device |None        |4.4.0 - 4.5.0 |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ        |None        |4.4.0 - 4.5.0 |Not        |None                  |
|Security      |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ ADC    |None        |4.5.0         |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ        |            |5.0.0 - 5.1.0 |Not        |                      |
|Centralized   |None        |4.6.0         |vulnerable |None                  |
|Management    |            |              |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|BIG-IQ Cloud  |            |              |Not        |                      |
|and           |None        |1.0.0         |vulnerable |None                  |
|Orchestration |            |              |           |                      |
+--------------+------------+--------------+-----------+----------------------+
|F5 iWorkflow  |None        |2.0.0 - 2.1.0 |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|LineRate      |None        |2.5.0 - 2.6.2 |Not        |None                  |
|              |            |              |vulnerable |                      |
+--------------+------------+--------------+-----------+----------------------+
|Traffix SDC   |4.4.0       |5.0.0 - 5.1.0 |Medium     |LibTIFF               |
|              |            |4.0.0 - 4.0.5 |           |                      |
+--------------+------------+--------------+-----------+----------------------+

^1 The specified products contain the affected code. However, F5 identifies the
vulnerability status as Not vulnerable because the attacker cannot exploit the
code in default, standard, or recommended configurations.


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 Versions known to be not vulnerable 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 for BIG-IP AAM and WebAccelerator, you can
ensure that TIFF file processing policies are disabled or ensure that TIFF
files processed by BIG-IP AAM and WebAccelerator cannot be modified by
attackers.

Impact of action: Performing the suggested actions should not have a negative
impact on your system.

For more information about disabling image optimization, refer to:

  o BIG-IP AAM: The Accelerating Images with Image Optimization chapter of the
    BIG-IP Acceleration Implementations guide
  o BIG-IP WebAccelerator: The Accelerating Images with Image Optimization
    chapter of the BIG-IP WebAccelerator System Implementations guide

Note: For information about how to locate F5 product guides, refer to
K12453464: Finding product documentation on AskF5.


Supplemental Information

  o K9970: Subscribing to email notifications regarding F5 products
  o K9957: Creating a custom RSS feed to view new and updated documents
  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

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