![]() The magazine quotes the company as saying that the attack was 'discovered in time to prevent major damage'. However, the attack on TeamViewer was already discovered in 2016 but only now has the company confirmed this to Spiegel. Use the Teamviewer site to configure your Host or Quick Support, after that Teamviewer will give you a link to download then youll get something like TeamViewerHostSetup-idcXXXXXX.exe, you can use that file to be deployed Or if you also have a reg file for your setting you can rename the MSI have that idcXXXXXXX kellanist 6 yr. After being launched, the TeamViewer server will reach out to a command-and-control (C2) server to let the attackers know they can remotely take complete control of the newly compromised computer. The hacker group Winnti is supposed to operate on behalf of the Chinese state. 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. Once deployed on an infected device, the malware will silently install and launch an instance of the TeamViewer remote control software. 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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