Vulnerability in Displaylink Core Software Cleaner

CVE-2018-7884

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.

EPSS: 0.009 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7884?
CVE-2018-7884 is a high-severity vulnerability in Displaylink Core Software Cleaner, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-06-05.
How severe is CVE-2018-7884?
High severity. CVSS v3 base score is 7.8 out of 10.