CVE-2007-5687 Memory corruption in n/a

Critical 9.3 Published 28 Oct 2007 Updated 7 Aug 2024

Remote attackers can execute arbitrary code by tricking users into opening malicious rich text files in JustSystems Ichitaro.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2007-5687?

CVE-2007-5687 is a critical memory corruption vulnerability in n/a, published on 28 Oct 2007. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple buffer overflows in the rich text processing functionality in JustSystems Ichitaro 2004 through 2007, 11 through 13, and other versions allow remote attackers to execute arbitrary code via a long (1) pard field or (2) font name in the fcharset0 field, which is not properly handled in (a) JSTARO4.OCX; or (3) a long title, which is not properly handled by (b) TJSVDA.DLL.

Weakness: CWE-119

Which versions are affected by CVE-2007-5687?

It affects 1 product.

Products include Justsystem Ichitaro.

How do I fix CVE-2007-5687?

No fix has been published for CVE-2007-5687 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-2007-5687 being exploited?

There is no known exploitation of CVE-2007-5687 in the wild and no public exploit code.

Sources

Also known as GHSA-5pm4-7676-v58f.