ESB-2018.0742 - [Win][Linux][Mac] Flash Player: Execute arbitrary code/commands - Remote with user interaction 2018-03-14

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

                               ESB-2018.0742
Critical security updates for Adobe Flash Player across multiple platforms
                               14 March 2018

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

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

Product:           Flash Player
Publisher:         Adobe
Operating System:  Windows
                   Mac OS
                   Linux variants
                   Chrome OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4920 CVE-2018-4919 

Original Bulletin: 
   https://helpx.adobe.com/security/products/flash-player/apsb18-05.html

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

Security updates available for Flash Player | APSB18-05

+-----------------------------------------------------------------------------+
|Bulletin ID              |Date Published                  |Priority          |
|-------------------------+--------------------------------+------------------|
|APSB18-05                |March 13, 2018                  |2                 |
+-----------------------------------------------------------------------------+

Summary

Adobe has released security updates for Adobe Flash Player for Windows,
Macintosh, Linux and Chrome OS. These updates address critical vulnerabilities
in Adobe Flash Player 28.0.0.161 and earlier versions. Successful exploitation
could lead to arbitrary code execution in the context of the current user.

Affected Product Versions

+-----------------------------------------------------------------------------+
|Product                            |Version          |Platform               |
|-----------------------------------+-----------------+-----------------------|
|Adobe Flash Player Desktop Runtime |28.0.0.161 and   |Windows, Macintosh     |
|                                   |earlier versions |                       |
|-----------------------------------+-----------------+-----------------------|
|Adobe Flash Player for Google      |28.0.0.161 and   |Windows, Macintosh,    |
|Chrome                             |earlier versions |Linux and Chrome OS    |
|-----------------------------------+-----------------+-----------------------|
|Adobe Flash Player for Microsoft   |28.0.0.161 and   |Windows 10 and 8.1     |
|Edge and Internet Explorer 11      |earlier versions |                       |
|-----------------------------------+-----------------+-----------------------|
|Adobe Flash Player Desktop Runtime |28.0.0.161 and   |Linux                  |
|                                   |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     |29.0.0.113|Macintosh    |2       |                      |
|                    |          |             |        |Flash Player          |
|                    |          |             |        |Distribution          |
|--------------------+----------+-------------+--------+----------------------|
|                    |          |Windows,     |        |                      |
|Adobe Flash Player  |29.0.0.113|Macintosh,   |2       |Google Chrome Releases|
|for Google Chrome   |          |Linux and    |        |                      |
|                    |          |Chrome OS    |        |                      |
|--------------------+----------+-------------+--------+----------------------|
|Adobe Flash Player  |          |             |        |                      |
|for Microsoft Edge  |29.0.0.113|Windows 10   |2       |Microsoft Security    |
|and Internet        |          |and 8.1      |        |Advisory              |
|Explorer 11         |          |             |        |                      |
|--------------------+----------+-------------+--------+----------------------|
|Adobe Flash Player  |29.0.0.113|Linux        |3       |Flash Player Download |
|Desktop Runtime     |          |             |        |Center                |
+-----------------------------------------------------------------------------+

Note:

  * Adobe recommends users of the Adobe Flash Player Desktop Runtime
    for Windows, Macintosh and Linux update to Adobe Flash Player 29.0.0.113
    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 29.0.0.113 for Windows, Macintosh, 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 29.0.0.113.
  * 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     |
|--------------------------+------------------------+---------+---------------|
|Use After Free            |Remote Code Execution   |Critical |CVE-2018-4919  |
|--------------------------+------------------------+---------+---------------|
|Type Confusion            |Remote Code Execution   |Critical |CVE-2018-4920  |
+-----------------------------------------------------------------------------+

Acknowledgments

Adobe would like to thank the following individuals and organizations for
reporting this issue and for working with Adobe to help protect our customers:

  * Yuki Chen of Qihoo 360 Vulcan Team working with the Chromium Vulnerability
    Rewards Program (CVE-2018-4919 and CVE-2018-4920)

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

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