CVE-2013-3945 Memory corruption in MrSID plugin

High 7.8 Published 2 Jan 2020 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via a malicious nband tag in the MrSID plugin for IrfanView.

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-2013-3945?

CVE-2013-3945 is a high-severity memory corruption vulnerability in IrfanView MrSID plugin, published on 2 Jan 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

The MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a nband tag.

Weakness: CWE-20

Which versions are affected by CVE-2013-3945?

It affects 1 product.

Products include Extensis Mrsid.

How do I fix CVE-2013-3945?

No fix has been published for CVE-2013-3945 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-2013-3945 being exploited?

There is no known exploitation of CVE-2013-3945 in the wild and no public exploit code.

Sources

Also known as GHSA-j2q9-fp38-97q8.