CVE-2018-3998 Memory corruption in Atlantis Word Processor

High 8.8 Published Updated

A heap-based buffer overflow in Atlantis Word Processor allows remote code execution via a specially crafted 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-2018-3998?

CVE-2018-3998 is a high-severity memory corruption vulnerability in The Atlantis Word Processor Team Atlantis Word Processor, published on 1 Oct 2018. 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 heap-based buffer overflow vulnerability exists in the Windows enhanced metafile parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause an undersized allocation, resulting in an overflow when the application tries to copy data into it. An attacker must convince a victim to open a document in order to trigger this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2018-3998?

It affects 1 product.

Products include Atlantiswordprocessor Atlantis Word Processor.

How do I fix CVE-2018-3998?

No fix has been published for CVE-2018-3998 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-2018-3998 being exploited?

There is no known exploitation of CVE-2018-3998 in the wild and no public exploit code.

Sources

Also known as GHSA-v4h8-5j94-jp57.

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