![]() November 2017 – Microsoft has been able to replicate issue.I reported this to Microsoft in July 2017 and the MSRC opened a ticket. ![]() While tags were blocked, and various other JavaScript injections failed, I discovered that an tag would spawn a browser session to the target URL.Ī slightly less-useful trick is to embed an image directly into the chat by sending tags:ĭisclosure Timeline and Microsoft’s Response ![]() This successfully modified the message formatting, so I then extended testing to other HTML tags. To begin with, I experimented with sending or tags to style the text. I used ‘PowerSkype’ by Karl Fosaaen of NetSPI as a base ( ). It is the result of a failure to sanitize input that is taken in via the Lync 2013 PowerShell SDK. By TrustedSec in Penetration Testing, Security Testing & AnalysisĪn attacker can force a user who is logged in with Microsoft Lync for Mac 2011 ( instead of a block.
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