ESB-2017.1721 - [Win][Linux][OSX] Adobe Flash Player: Multiple vulnerabilities 2017-07-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1721
          Security updates available for Flash Player | APSB17-21
                               12 July 2017

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

Product:          Adobe Flash Player
Publisher:        Adobe
Operating System: Windows
                  OS X
                  Linux variants
Impact/Access:    Execute Arbitrary Code/Commands -- Remote with User Interaction
                  Access Confidential Data        -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2017-3100 CVE-2017-3099 CVE-2017-3080

Reference:        https://helpx.adobe.com/security/products/flash-player/apsb17-21.html

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Adobe Security Bulletin

Security updates available for Flash Player | APSB17-21

Bulletin ID    Date Published      Priority
APSB17-21      July 11, 2017       1      

Summary

Adobe has released security updates for Adobe Flash Player for Windows, 
Macintosh, Linux and Chrome OS. These updates address critical vulnerabilities
that could potentially allow an attacker to take control of the affected 
system.

Affected product versions

Product                                                         Version                 Platform
Adobe Flash Player Desktop Runtime                              26.0.0.131 and earlier  Windows, Macintosh and Linux
Adobe Flash Player for Google Chrome                            26.0.0.131 and earlier  Windows, Macintosh, Linux and Chrome OS
Adobe Flash Player for Microsoft Edge and Internet Explorer 11  26.0.0.120 and earlier  Windows 10 and 8.1


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 newest version:

Product                                                         Version     Platform                                   Priority  Availability
Adobe Flash Player Desktop Runtime                              26.0.0.137  Windows, Macintosh                                1  Flash Player Download Center Flash Player Distribution
Adobe Flash Player for Google Chrome                            26.0.0.137  Windows, Macintosh, Linux and Chrome OS           1  Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 11  26.0.0.137  Windows 10 and 8.1                                1  Microsoft Security Advisory
Adobe Flash Player Desktop Runtime                              26.0.0.137  Linux                                             3  Flash Player Download Center


Note:

Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows,
Macintosh and Linux update to Adobe Flash Player 26.0.0.137 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 
26.0.0.137 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 26.0.0.137.

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 Numbers
Security Bypass           Information Disclosure     Important   CVE-2017-3080

Memory Corruption         Remote Code Execution      Critical    CVE-2017-3099

Memory Corruption         Memory address disclosure  Important   CVE-2017-3100


Note:

Adobe is aware that some details of CVE-2017-3080 were publicly published on 
July 3, 2017

Acknowledgments

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

Jihui Lu of Tencent KeenLab (CVE-2017-3099)

bo13oy working with Trend Micro's Zero Day Initiative (CVE-2017-3100)

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