CVE-2018-7884 — HIGH (7.8) — White Hats Nepal

Vulnerability 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 Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Displaylink	Core Software Cleaner	8.2.1956

Related Weaknesses (CWE)

CWE-426

References

http://seclists.org/fulldisclosure/2018/Jun/1Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2018/Jun/1Mailing ListThird Party Advisory

FAQ

What is CVE-2018-7884?

CVE-2018-7884 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 versio...

How severe is CVE-2018-7884?

CVE-2018-7884 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-7884?

Check the references section above for vendor advisories and patch information. Affected products include: Displaylink Core Software Cleaner.