The TeamViwer also offers to use it online without downloading the software to your computer. You have to make an account to the TeamViewer website of you don’t have already. After that, you can connect to any device from your TeamViewer online account. The developers have developed this as a TeamViewer online use tool.
MS-ISAC ADVISORY NUMBER:
TeamViewer provides a number of secure chat instances and options so you can choose the right communication tool at the right time. Whether you need to message a customer about their service case or update an entire team at once, the appropriate chat option is accessible from your desktop or mobile device. Zoc terminal 7 24 3 download free. TeamViewer Host. TeamViewer Host is used for 24/7 access to remote computers, which makes it an ideal solution for uses such as remote monitoring, server maintenance, or connecting to a PC or Mac in the office or at home. Install TeamViewer Host on an unlimited number of computers and devices. As a licensed user, you have access to them all! TeamViewer is a leading Remote Access Software.Its feature set includes remote control, desktop sharing, online meetings and web conferencing, as well as file transfer between computers. TeamViewer introduces a new online support feature known as TeamViewer Web Connector. With this feature you can control remote computers from anywhere making use of any OS and browser without any installation or administration rights.
2020-106DATE(S) ISSUED:
08/05/2020OVERVIEW:
A vulnerability has been discovered in TeamViewer, which could allow for offline password cracking. TeamViewer is a program used for remote control, desktop sharing, online meetings, web conferencing, and file transfer between systems. Successful exploitation of this vulnerability could allow an attacker to launch TeamViewer with arbitrary parameters. The program could be forced to relay an NTLM authentication request to the attacker’s system allowing for offline rainbow table attacks and brute force cracking attempts. These attacks could lead to further exploitation due to stolen credentials from successful exploitation of this vulnerability.
THREAT INTELLIGENCE:
There are currently no reports of this vulnerability being exploited in the wild.
SYSTEMS AFFECTED:
- TeamViewer versions prior to 15.8.3
RISK:
Government:
- Large and medium government entities: HIGH
- Small government entities: MEDIUM
Businesses:
- Large and medium business entities: HIGH
- Small business entities: MEDIUM
Home Users:
LOWTECHNICAL SUMMARY:
A vulnerability has been discovered in TeamViewer, which could allow for offline password cracking. Specifically, this vulnerability is due to the program not properly quoting its custom URI handlers. This vulnerability can be exploited when the system visits a maliciously crafted website.
Successful exploitation of this vulnerability could allow an attacker to launch TeamViewer with arbitrary parameters. The program could be forced to relay an NTLM authentication request to the attacker’s system allowing for offline rainbow table attacks and brute force cracking attempts. These attacks could lead to further exploitation due to stolen credentials from successful exploitation of this vulnerability.
RECOMMENDATIONS:
We recommend the following actions be taken:
- Apply appropriate patches from TeamViewer to the vulnerable systems after appropriate testing.
- Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
- Inform and educate users regarding threats posed by hypertext links contained in emails or attachments, especially from un-trusted sources.
REFERENCES:
CVE:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13699Information Hub : Advisories
White paper•16 Oct 2020
Advisory•16 Oct 2020
Advisory•16 Oct 2020
Blog post•15 Oct 2020
Teamviewer 13 Download
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