Multiple vulnerabilities in TeamViewer

Published: 2010-08-26 | Updated: 2019-11-07

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2010-3128
CWE-ID	CWE-426 CWE-477
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	TeamViewer Client/Desktop applications / Other client software
Vendor	TeamViewer

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 07.11.2019

Added vulnerability #2

1) Untrusted search path

EUVDB-ID: #VU22570

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2010-3128

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: Yes

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to executed malicious .dll file passed via untrusted search path. A local attacker, and possibly remote attacker can execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse dwmapi.dll that is located in the same folder as a .tvs or .tvc file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TeamViewer: 1.85 - 5.0.8703

CPE2.3

External links

http://secunia.com/advisories/41112
http://www.exploit-db.com/exploits/14734
http://www.securityfocus.com/archive/1/513317/100/0/threaded
http://www.vupen.com/english/advisories/2010/2174
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6773

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.

2) Use of Obsolete Function

EUVDB-ID: #VU22571

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-477 - Use of Obsolete Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of this vulnerability could result in information disclosure, total compromise of the system, and system unavailability.