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


                             CERT-Renater

                 Note d'Information No. 2018/VULN383
_____________________________________________________________________

DATE                : 14/11/2018

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Adobe Flash Player versions prior
                               to 31.0.0.148.

=====================================================================
https://helpx.adobe.com/security/products/flash-player/apsb18-39.html
_____________________________________________________________________

Security updates available for Flash Player | APSB18-39
+-----------------------------------------------------------------------------+
|Bulletin ID            |Date Published                     |Priority
     |
|-----------------------+-----------------------------------+-----------------|
|APSB18-39              |November 13, 2018                  | 2
     |
+-----------------------------------------------------------------------------+

Summary

Adobe has released security updates for Adobe Flash Player for Windows,
macOS, Linux and Chrome OS. These updates address an important
vulnerability in Adobe Flash Player 31.0.0.122 and earlier versions.
Successful exploitation could lead to information disclosure.


Affected Product Versions

+-----------------------------------------------------------------------------+
|Product                             |Version           |Platform
     |
|------------------------------------+------------------+---------------------|
|Adobe Flash Player Desktop Runtime  |31.0.0.122 and    |Windows, macOS
                                                                 and   |
|                                    |earlier versions  |Linux
     |
|------------------------------------+------------------+---------------------|
|Adobe Flash Player for Google Chrome|31.0.0.122 and    |Windows, macOS,
                                                             Linux|
|                                    |earlier versions  |and Chrome OS
     |
|------------------------------------+------------------+---------------------|
|Adobe Flash Player for Microsoft    |31.0.0.122 and    |Windows 10 and
                                                                 8.1   |
|Edge and Internet Explorer 11       |earlier versions  |
     |
+-----------------------------------------------------------------------------+

To verify the version of Adobe Flash Player installed on your system,
access the About Flash Player page, or right- click on content running
in Flash Player and select "About Adobe (or Macromedia) Flash Player"
from the menu. If you use multiple browsers, perform the check for each
browser you have installed on your system.


Solution

Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the latest version:

+-----------------------------------------------------------------------------+
|Product             |Version   |Platform     |Priority|Availability
     |
|--------------------+----------+-------------+--------+----------------------|
|                    |          |             |        |Flash Player
                                                          Download |
|Adobe Flash Player  |          |Windows,     |        |Center
     |
|Desktop Runtime     |31.0.0.148|macOS        |2       |
     |
|                    |          |             |        |Flash Player
     |
|                    |          |             |        |Distribution
     |
|--------------------+----------+-------------+--------+----------------------|
|                    |          |Windows,     |        |
     |
|Adobe Flash Player  |31.0.0.148|macOS, Linux,|2       |Google Chrome
                                                            Releases|
|for Google Chrome   |          |and Chrome   |        |
     |
|                    |          |OS           |        |
     |
|--------------------+----------+-------------+--------+----------------------|
|Adobe Flash Player  |          |             |        |
     |
|for Microsoft Edge  |31.0.0.148|Windows 10   |2       |Microsoft
                                                         Security    |
|and Internet        |          |and 8.1      |        |Advisory
     |
|Explorer 11         |          |             |        |
     |
|--------------------+----------+-------------+--------+----------------------|
|Adobe Flash Player  |31.0.0.148|Linux        |3       |Flash Player
                                                        Download |
|Desktop Runtime     |          |             |        |Center
     |
+-----------------------------------------------------------------------------+

Note:

  * Adobe recommends users of the Adobe Flash Player Desktop Runtime
    for Windows, macOS and Linux update to Adobe Flash Player 31.0.0.148
    via the update mechanism within the product [1] or by visiting the
    Adobe Flash Player Download Center.
  * Adobe Flash Player installed with Google Chrome will be
    automatically updated to the latest Google Chrome version, which
    will include Adobe Flash Player 31.0.0.148 for Windows, macOS, Linux
    and Chrome OS.
  * Adobe Flash Player installed with Microsoft Edge and Internet
    Explorer 11 for Windows 10 and 8.1 will be automatically updated to
    the latest version, which will include Adobe Flash Player
    31.0.0.148.
  * Please visit the Flash Player Help page for assistance in installing
    Flash Player.

[1] Users who have selected the option to 'Allow Adobe to install
updates' will receive the update automatically. Users who do not have
the 'Allow Adobe to install updates' option enabled can install the
update via the update mechanism within the product when prompted.


Vulnerability details

+------------------------------------------------------------------------+
|Vulnerability Category|Vulnerability Impact |Severity  |CVE Number      |
|----------------------+----------------------+---------+----------------|
|Out-of-bounds Read   |Information Disclosure |Important|CVE-2018-15978|
+------------------------------------------------------------------------+


Acknowledgments

Adobe would like to thank @j00sean for notifying us of this issue and
for working with Adobe to help protect our customers.


=========================================================
+ CERT-RENATER        | tel : 01-53-94-20-44            +
+ 23/25 Rue Daviel    | fax : 01-53-94-20-41            +
+ 75013 Paris         | email:cert@support.renater.fr   +
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