![]() And we’ll also look into uninstalling the app since you might not want to keep it on your machine if you only need to use it once. Let’s see what TeamViewer for Mac is, how you can download and install TeamViewer, and how it works. Having been installed on more than 2 billion devices, as per their press release, the app is a handy solution for the times when you need remote access to a device. So, users are highly recommended to upgrade their software to the 15.8.3, as it's hardly a matter of time before hackers started exploiting the flaw to hack into users' Windows PCs.Ī similar SMB-authentication attack vector was previously disclosed in Google Chrome, Zoom video conferencing app, and Signal messenger.Remote work has made it imperative for us to employ apps to help us navigate the digital world as teams, and TeamViewer is one of the most popular ones. ![]() Though the vulnerability is not being exploited in the wild as of now, considering the popularity of the software among millions of users, TeamViewer has always been a target of interest for attackers. The TeamViewer project has patched the vulnerability by quoting the parameters passed by the affected URI handlers e.g., URL:teamviewer10 Protocol "C:\Program Files (x86)\TeamViewer\TeamViewer.exe" "%1" This vulnerability, categorized as 'Unquoted URI handler,' affects "URI handlers teamviewer10, teamviewer8, teamviewerapi, tvchat1, tvcontrol1, tvfiletransfer1, tvjoinv8, tvpresent1, tvsendfile1, tvsqcustomer1, tvsqsupport1, tvvideocall1, and tvvpn1," Hofmann said. Now, the victim's Windows OS will "perform NTLM authentication when opening the SMB share and that request can be relayed (using a tool like responder) for code execution (or captured for hash cracking)."
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