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             AUSCERT External Security Bulletin Redistribution

    Multiple vulnerabilities have been identified in Adobe Flash Player
                               11 April 2018


        AusCERT Security Bulletin Summary

Product:           Adobe Flash Player
Publisher:         Adobe
Operating System:  Windows
                   OS X
                   Linux variants
                   Chrome OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4937 CVE-2018-4936 CVE-2018-4935
                   CVE-2018-4934 CVE-2018-4933 CVE-2018-4932

Original Bulletin: 

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Adobe Security Bulletin

Applies to: Flash Player

Last Published: April 11, 2018

Security updates available for Flash Player | APSB18-08
|Bulletin ID              |Date Published                  |Priority          |
|APSB18-08                |April 10, 2018                  |2                 |


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 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 | and   |Windows, Macintosh and |
|                                   |earlier versions |Linux                  |
|Adobe Flash Player for Google      | and   |Windows, Macintosh,    |
|Chrome                             |earlier versions |Linux and Chrome OS    |
|Adobe Flash Player for Microsoft   | 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.


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     ||Macintosh    |2       |                      |
|                    |          |             |        |Flash Player          |
|                    |          |             |        |Distribution          |
|                    |          |Windows,     |        |                      |
|Adobe Flash Player  ||Macintosh,   |2       |Google Chrome Releases|
|for Google Chrome   |          |Linux, and   |        |                      |
|                    |          |Chrome OS    |        |                      |
|Adobe Flash Player  |          |             |        |                      |
|for Microsoft Edge  ||Windows 10   |2       |Microsoft Security    |
|and Internet        |          |and 8.1      |        |Advisory              |
|Explorer 11         |          |             |        |                      |
|Adobe Flash Player  ||Linux        |3       |Flash Player Download |
|Desktop Runtime     |          |             |        |Center                |


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

[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-2018-4932 |
|Out-of-bounds read      |Information Disclosure   |Important  |CVE-2018-4933 |
|Out-of-bounds read      |Information Disclosure   |Important  |CVE-2018-4934 |
|Out-of-bounds write     |Remote Code Execution    |Critical   |CVE-2018-4935 |
|Heap Overflow           |Information Disclosure   |Important  |CVE-2018-4936 |
|Out-of-bounds write     |Remote Code Execution    |Critical   |CVE-2018-4937 |


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

  o Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero
    (CVE-2018-4936, CVE-2018-4935, CVE-2018-4934, CVE-2018-4937)
  o willJ of Tencent PC Manager (CVE-2018-4933)
  o Lin Wang of Beihang University (CVE-2018-4932)

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