CVE-2020-23567 Denial of service in n/a

Medium 5.5 Published Updated

Attackers can cause a denial of service in IrfanView by tricking users into opening a crafted JPEG 2000 file, triggering an integer divide by zero error.

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-2020-23567?

CVE-2020-23567 is a medium-severity denial of service vulnerability in Irfanview Irfanview, published on 5 Nov 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

Irfanview v4.53 allows attackers to to cause a denial of service (DoS) via a crafted JPEG 2000 file. Related to "Integer Divide By Zero starting at JPEG2000!ShowPlugInSaveOptions_W+0x00000000000082ea"

Weakness: CWE-369

Which versions are affected by CVE-2020-23567?

It affects 1 product.

Products include Irfanview Irfanview.

How do I fix CVE-2020-23567?

No fix has been published for CVE-2020-23567 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-23567 being exploited?

There is no known exploitation of CVE-2020-23567 in the wild and no public exploit code.

All Irfanview Irfanview vulnerabilities

Sources

Also known as GHSA-f78r-f3h9-h6v2.

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