CVE-2019-3633 Buffer overflow in DLP Endpoint for Windows

Medium 4.4 Published Updated

A local attacker can cause a Windows blue screen by sending a crafted message to McAfee DLP Endpoint, triggering a buffer overflow.

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

What is CVE-2019-3633?

CVE-2019-3633 is a medium-severity memory corruption vulnerability in McAfee, LLC Data Loss Prevention (DLPe) for Windows, published on 21 Aug 2019. 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

Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory.

Weakness: CWE-119

Which versions are affected by CVE-2019-3633?

It affects 1 product.

Products include Mcafee Data Loss Prevention Endpoint.

How do I fix CVE-2019-3633?

No fix has been published for CVE-2019-3633 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-3633 being exploited?

There is no known exploitation of CVE-2019-3633 in the wild and no public exploit code.

Sources

Also known as GHSA-hjqq-29jh-86h4.

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