CVE-2020-6074 Use after free in Nitro Pro

High 8.8 Published 18 May 2020 Updated 4 Aug 2024

A use-after-free in Nitro Pro's PDF parser allows remote code execution via a malicious PDF file.

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-2020-6074?

CVE-2020-6074 is a high-severity use after free vulnerability in Nitro Pro, published on 18 May 2020. 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 code execution vulnerability exists in the PDF parser of Nitro Pro 13.9.1.155. A specially crafted PDF document can cause a use-after-free which can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-416

Which versions are affected by CVE-2020-6074?

It affects 1 product.

Products include Gonitro Nitro Pro.

How do I fix CVE-2020-6074?

No fix has been published for CVE-2020-6074 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-2020-6074 being exploited?

There is no known exploitation of CVE-2020-6074 in the wild and no public exploit code.

Sources

Also known as GHSA-gwj2-7fw9-8jcx.