CVE-2009-4737 Memory corruption in n/a

Critical 9.3 Published 6 Apr 2010 Updated 7 Aug 2024

Attackers can execute arbitrary code by tricking users into opening a crafted Rich Text File in Ichitaro word processor.

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-2009-4737?

CVE-2009-4737 is a critical memory corruption vulnerability in n/a, published on 6 Apr 2010. 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

Stack-based buffer overflow in JustSystems Corporation Ichitaro 13, 2004 through 2009, Viewer 2009 19.0.1.0 and earlier, and other versions allows context-dependent attackers to execute arbitrary code via a crafted Rich Text File (RTF), related to "pvpara ffooter."

Weakness: CWE-119

Which versions are affected by CVE-2009-4737?

It affects 2 products.

Products include Justsystems Ichitaro, Justsystems Ichitaro Viewer.

How do I fix CVE-2009-4737?

No fix has been published for CVE-2009-4737 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-2009-4737 being exploited?

There is no known exploitation of CVE-2009-4737 in the wild and no public exploit code.

Sources

Also known as GHSA-xh4m-2fcx-rv4w.