Re: Important Message For Joseph - Serious Security Flaw Identified In the Windows 10 App Essentials Add-On


 

hi joseph.
do other addons check for update automaticly or checking for update is
special for only this one?

On 2/25/17, Joseph Lee <@joslee> wrote:
Hi,
Right - I'll add an issue on the GitHub page for the add-on. Thanks for
bringing this up (will release 17.03.1 that addresses this problem soon).
Cheers,
Joseph

-----Original Message-----
From: nvda@nvda.groups.io [mailto:nvda@nvda.groups.io] On Behalf Of
Laughingthunder
Sent: Saturday, February 25, 2017 11:36 AM
To: nvda@nvda.groups.io
Subject: [nvda] Important Message For Joseph - Serious Security Flaw
Identified In the Windows 10 App Essentials Add-On

Hello,

I believe I have identified a serious security flaw in the Windows 10 App
Essentials add-on for NVDA. The add-on should never check for updates, or
present the dialog asking if the user would like to update the add-on while
NVDA is running on the log on and other secure screens.
I know that NVDA does warn if add-ons are found while copying the
configuration to the system profile, but I feel that this warning cannot be
relied upon to prevent serious security issues, such as the one described
above. I cannot be the only user who allows some add-ons, such as speech
synthesizers and other low-risk add-ons on the secure desktop intentionally
for convenience. I feel that this should be addressed by preventing the
Windows 10 App Essentials add-on from displaying update messages on secure
screens, just in case it ends up in that configuration.

Also, NVDA should never display any add-on help entries in the NVDA help
menu when running on secure screens, in the same way that custom preferences
menu entries are hidden. I.E. if the NoBeepsSpeechMode add-on is installed
in the system configuration, its help menu entry is displayed in the NVDA
help menu on secure screens.







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