Teamviewer Web Online

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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. Please enter your partner's ID in order to control the remote device.

MS-ISAC ADVISORY NUMBER:

Teamviewer web online web
2020-106

DATE(S) ISSUED:

08/05/2020

OVERVIEW:

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. Icash 7 8 11.

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: LOW

TECHNICAL 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. Gold strike slot machine. 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-2020-13699

Information Hub : Advisories

White paper16 Oct 2020
Advisory16 Oct 2020
Advisory16 Oct 2020
Blog post15 Oct 2020
Copyright © 2020

MS-ISAC ADVISORY NUMBER:

2020-106

DATE(S) ISSUED:

08/05/2020

OVERVIEW:

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

Teamviewer Home Page

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: LOW

Teamviewer Web Store

TECHNICAL 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. How to bet on craps. This vulnerability can be exploited when the system visits a maliciously crafted website.

How to win roulette in casino tips. 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-2020-13699

Information Hub : Advisories

White paper16 Oct 2020
Advisory16 Oct 2020
Advisory16 Oct 2020
Blog post15 Oct 2020
Copyright © 2020




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