CVE-2018-7884 Information

Description

An issue was discovered in DisplayLink Core Software Cleaner Application 8.2.1956. When the drivers are updated to a newer version the product launches a process as SYSTEM to uninstall the old version: cl_1956.exe is run as SYSTEM on the systemroot\Temp folder where any user can write a DLL (e.g. version.dll) to perform DLL Hijacking and elevate privileges to SYSTEM.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://seclists.org/fulldisclosure/2018/Jun/1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8