CVE-2020-7827 DaviewIndy Use-After-Free Vulnerability

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening a malformed file in DaviewIndy, requiring an upgrade to mitigate.

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-2020-7827?

CVE-2020-7827 is a high-severity use after free vulnerability in HumanTalk DavieIndy, published on 30 Jul 2020. 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

DaviewIndy 8.98.7 and earlier version contain Use-After-Free vulnerability, triggered when the user opens a malformed specific file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2020-7827?

It affects 1 product.

Products include Hmtalk Daviewindy.

How do I fix CVE-2020-7827?

No fix has been published for CVE-2020-7827 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-2020-7827 being exploited?

There is no known exploitation of CVE-2020-7827 in the wild and no public exploit code.

Sources

Also known as GHSA-2h2r-w6vh-2w6r.

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