CVE-2017-2821 Use after free in Perceptive Document Filters

High 8.8 Published 5 Sep 2017 Updated 16 Sep 2024

A use-after-free in Lexmark Perceptive Document Filters allows attackers to execute arbitrary code via a crafted PDF document.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2017-2821?

CVE-2017-2821 is a high-severity use after free vulnerability in Lexmark Perceptive Document Filters, published on 5 Sep 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An exploitable use-after-free exists in the PDF parsing functionality of Lexmark Perspective Document Filters 11.3.0.2400 and 11.4.0.2452. A crafted PDF document can lead to a use-after-free resulting in direct code execution.

Weakness: CWE-416

Which versions are affected by CVE-2017-2821?

It affects 1 product.

Products include Lexmark Perceptive Document Filters.

How do I fix CVE-2017-2821?

No fix has been published for CVE-2017-2821 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-2821 being exploited?

There is no known exploitation of CVE-2017-2821 in the wild and no public exploit code.

Sources

Also known as GHSA-833p-jvr6-87gm.