CVE-2021-23887 Privilege escalation in McAfee DLP Endpoint for Windows

High 7.8 Published Updated

A local low-privileged attacker can escalate privileges by manipulating memory in monitored applications via the hdlphook driver in McAfee DLP Endpoint.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-23887?

CVE-2021-23887 is a high-severity vulnerability in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows, published on 15 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.

Weakness: CWE-269

Which versions are affected by CVE-2021-23887?

It affects 1 product.

Products include Mcafee Data Loss Prevention Endpoint.

How do I fix CVE-2021-23887?

No fix has been published for CVE-2021-23887 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-23887 being exploited?

There is no known exploitation of CVE-2021-23887 in the wild and no public exploit code.

Sources

Also known as GHSA-gjh7-83g9-wq47.

Is CVE-2021-23887 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free