#VU27003 Insecure DLL loading in Lenovo System Interface Foundation


Published: 2020-04-27

Vulnerability identifier: #VU27003

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-8324

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Lenovo System Interface Foundation
Other software / Other software solutions

Vendor: Lenovo

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner in LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation component for Lenovo Vantage. A local user can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Lenovo System Interface Foundation: All versions


External links
http://support.lenovo.com/us/en/product_security/LEN-30401


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