CVE-2023-32273 Memory corruption in TELLUS and TELLUS Lite

High 7.8 Published 19 Jun 2023 Updated 23 Dec 2024

A stack-based buffer overflow in TELLUS allows attackers to execute arbitrary code or disclose information via a crafted SIM2 file.

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-2023-32273?

CVE-2023-32273 is a high-severity memory corruption vulnerability in FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS and TELLUS Lite, published on 19 Jun 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

Stack-based buffer overflow vulnerability exists in TELLUS v4.0.15.0 and TELLUS Lite v4.0.15.0. Opening a specially crafted SIM2 file may lead to information disclosure and/or arbitrary code execution. This vulnerability is different from CVE-2023-32538 and CVE-2023-32201.

Weakness: CWE-787

Which versions are affected by CVE-2023-32273?

It affects 2 products.

Products include Fujielectric Tellus, Fujielectric Tellus Lite.

How do I fix CVE-2023-32273?

No fix has been published for CVE-2023-32273 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-2023-32273 being exploited?

There is no known exploitation of CVE-2023-32273 in the wild and no public exploit code.

Sources

Also known as GHSA-3cmh-gq9x-m8v8.