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             AUSCERT External Security Bulletin Redistribution

              Security Advisory for Flash Player | APSA18-01
                              7 February 2018


        AusCERT Security Bulletin Summary

Product:           Adobe Flash Player
Publisher:         Adobe
Operating System:  Windows
                   Linux variants
                   Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Mitigation
CVE Names:         CVE-2018-4878  

Original Bulletin: 

Revision History:  February 7 2018: Patches released
                   February 2 2018: Initial Release

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

Security updates available for Flash Player | APSB18-03

|Bulletin ID             |Date Published                    |Priority         |
|APSB18-03               |February 6, 2018                  |1                |


Adobe has released security updates for Adobe Flash Player for Windows,
Macintosh, Linux and Chrome OS. These updates address critical vulnerabilities
that could lead to remote code execution in Adobe Flash Player and
earlier versions.  Successful exploitation could potentially allow an attacker
to take control of the affected system.

Adobe is aware of a report that an exploit for CVE-2018-4878 exists in the
wild, and is being used in limited, targeted attacks against Windows users.
These attacks leverage Office documents with embedded malicious Flash content
distributed via email.

Affected Product Versions

|Product                            |Version          |Platform               |
|Adobe Flash Player Desktop Runtime | and   |Windows, Macintosh     |
|                                   |earlier versions |                       |
|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 |                       |
|Adobe Flash Player Desktop Runtime | 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.


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    |1       |                      |
|                    |          |             |        |Flash Player          |
|                    |          |             |        |Distribution          |
|                    |          |Windows,     |        |                      |
|Adobe Flash Player  ||Macintosh,   |1       |Google Chrome Releases|
|for Google Chrome   |          |Linux and    |        |                      |
|                    |          |Chrome OS    |        |                      |
|Adobe Flash Player  |          |             |        |                      |
|for Microsoft Edge  ||Windows 10   |1       |Microsoft Security    |
|and Internet        |          |and 8.1      |        |Advisory              |
|Explorer 11         |          |             |        |                      |
|Adobe Flash Player  ||Linux        |3       |Flash Player Download |
|Desktop Runtime     |          |             |        |Center                |


    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.

    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.

    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
    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-2018-4878   |
|Use After Free           |Remote Code Execution   |Critical |CVE-2018-4877   |


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

    KrCERT/CC  (CVE-2018-4878)

    bo13oy of Qihoo 360 Vulcan Team working with Trend Micro's Zero Day
    Initiative (CVE-2018-4877)

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