CVE-2020-4723 Memory corruption in i2 Analyst Notebook

High 7.8 Published 29 Oct 2020 Updated 17 Sep 2024

A local attacker can execute arbitrary code by tricking a user into opening a malicious file in IBM i2 Analyst Notebook.

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-2020-4723?

CVE-2020-4723 is a high-severity memory corruption vulnerability in IBM i2 Analyst Notebook, published on 29 Oct 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

IBM i2 Analyst Notebook 9.2.0 and 9.2.1 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 187873.

Weakness: CWE-787

Which versions are affected by CVE-2020-4723?

It affects 1 product.

Products include Ibm I2 Analysts Notebook.

How do I fix CVE-2020-4723?

No fix has been published for CVE-2020-4723 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-2020-4723 being exploited?

There is no known exploitation of CVE-2020-4723 in the wild and no public exploit code.

Sources

Also known as GHSA-25xh-49vg-48xq.