CVE-2023-22291 Memory corruption in Ichitaro

High 7.0 Published 5 Apr 2023 Updated 2 Aug 2024

A specially crafted document in Ichitaro triggers an invalid free, leading to memory corruption and potential code execution.

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-2023-22291?

CVE-2023-22291 is a high-severity memory corruption vulnerability in Ichitaro, published on 5 Apr 2023. 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

An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to an attempt to free a stack pointer, which causes memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-590

Which versions are affected by CVE-2023-22291?

It affects 1 product.

Products include Justsystems Ichitaro 2022.

How do I fix CVE-2023-22291?

No fix has been published for CVE-2023-22291 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-2023-22291 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22291 exists.

Sources

Also known as GHSA-mg4q-w2rm-gvpm.