#VU22862 Input validation error in ThinkPad USB-C Dock


Published: 2019-11-20

Vulnerability identifier: #VU22862

Vulnerability risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-6176

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ThinkPad USB-C Dock
Hardware solutions / Firmware

Vendor: Lenovo

Description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local attacker can exploit this vulnerability to cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ThinkPad USB-C Dock: 3.7.2


External links
http://support.lenovo.com/solutions/LEN-27886


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.


Latest bulletins with this vulnerability