Insecure DLL loading in Lenovo System Interface Foundation component for Lenovo Vantage



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8324
CWE-ID CWE-427
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Lenovo System Interface Foundation
Other software / Other software solutions

Vendor Lenovo

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU27003

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 - Uncontrolled Search Path Element

Exploit availability: Yes

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: before 1.2.184.31

CPE2.3 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.



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