#VU22560 Insufficiently protected credentials in TeamViewer


Published: 2019-11-06

Vulnerability identifier: #VU22560

Vulnerability risk: Low

CVSSv3.1: 7.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-11769

CWE-ID: CWE-522

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
TeamViewer
Client/Desktop applications / Other client software

Vendor: TeamViewer

Description

The vulnerability allows a local attacker to obtain the administrator credentials.

The vulnerability exist due to the admin credentials in memory are stored in clear text. A local authenticated user can inject code into "Teamviewer.exe" which intercepts calls to GetWindowTextW and logs the processed credentials.


Mitigation
Install updates from vendor's website.

Vulnerable software versions

TeamViewer: 0 - 14.4.208

External links
http://blog.to.com/advisory-teamviewer-cve-2019-11769-2/
http://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?type=label&labels=Security

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability


Multiple vulnerabilities in TeamViewer bundled with Omron CX-Supervisor
Insufficiently protected credentials in TeamViewer