CVE-2018-7884 Privilege escalation in n/a

High 7.8 Published Updated

Attackers can achieve SYSTEM privileges by hijacking DLLs in the temporary folder during DisplayLink driver updates.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-7884?

CVE-2018-7884 is a high-severity vulnerability in n/a, published on 5 Jun 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-426

Which versions are affected by CVE-2018-7884?

It affects 1 product.

Products include Displaylink Core Software Cleaner.

How do I fix CVE-2018-7884?

No fix has been published for CVE-2018-7884 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-7884 being exploited?

There is no known exploitation of CVE-2018-7884 in the wild and no public exploit code.

Sources

Also known as GHSA-rrpg-pf95-vx86.

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