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Shockwave Flash crashes on vSphere web application




Recently there were an issue where vSphere Web client stopped working with Google crome and Firefox. After login to vSphere webclient or any other web based VMware application getting error where its states “ Shockwave Flash has crashed”

After investigating it’s been found that the google recently published a newer version of Flash( 27.0.0.170) with its latest update of crome ( 61.0.3163.100). However, the newer version of Flash was not available for download or listed in Adobe site.

Same issue identified on the Firefox where the latest Flash were causing the same issue.


Workaround identified

1) One-way to disable the auto-update feature of Chrome, you can do so by changing the following HKLM\SOFTWARE\Policies\Google\Update\AutoUpdateCheckPeriodMinutes to 0


2) It looks like you can also simply replace the new pepperflash DLL with an older version and placing it within the 27.0.0.170 folder (in case Chrome tries to update it). If you are looking for a working Windows DLL, it looks like one has been posted on one of the Chrome Issues thread here. Please be aware that the latest version of Flash (27.0.0.170)  does resolve a major 0-day security vulnerability which is outlined here and reverting its affects can put you and your organizations at risk.


Resolution



VMware has come up with the resolution to fix the issue by installing the latest version of flashplayer (27.0.0.183 or later) from https://get.adobe.com/flashplayer/.

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