CVE-2020-6655 File parsing Out-Of-Bounds read remote code execution

Medium 5.8 Published Updated

Attackers can execute arbitrary code or crash the application by tricking users into opening a malformed E70 file in Eaton easySoft.

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

What is CVE-2020-6655?

CVE-2020-6655 is a medium-severity memory corruption vulnerability in Eaton easySoft Software, published on 7 Jan 2021. 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

The Eaton's easySoft software v7.xx prior to v7.22 are susceptible to Out-of-bounds remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user to upload the malformed .E70 file in the application. The vulnerability arises due to improper validation and parsing of the E70 file content by the application.

Weakness: CWE-20, CWE-125

Which versions are affected by CVE-2020-6655?

It affects 1 product.

Products include Eaton Easysoft.

How do I fix CVE-2020-6655?

No fix has been published for CVE-2020-6655 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-2020-6655 being exploited?

There is no known exploitation of CVE-2020-6655 in the wild and no public exploit code.

Sources

Also known as GHSA-98x2-8rq4-gpx2.

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