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

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

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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 available:** No
- **Published:** 19 Jun 2023
- **Updated:** 23 Dec 2024
- **Also known as:** GHSA-3cmh-gq9x-m8v8

## 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 (Out-of-bounds Write)

## Which versions are affected by CVE-2023-32273?

It affects 2 products.


Products: 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.

## Is CVE-2023-32273 being exploited?

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

## Other vulnerabilities in FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS and TELLUS Lite

- [CVE-2026-8108](https://insights.sbomify.com/CVE-2026-8108/): Fuji Electric Tellus Exposed Dangerous Method or Function (high 7.8)
- [CVE-2023-47580](https://insights.sbomify.com/CVE-2023-47580/): Memory corruption in TELLUS (high 7.8)
- [CVE-2023-47581](https://insights.sbomify.com/CVE-2023-47581/): Memory corruption in TELLUS (high 7.8)
- [CVE-2023-47582](https://insights.sbomify.com/CVE-2023-47582/): Null dereference in TELLUS (high 7.8)
- [CVE-2023-47583](https://insights.sbomify.com/CVE-2023-47583/): Memory corruption in TELLUS Simulator (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-32273 and fix it if it is affected.

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

Affected product: FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS and TELLUS Lite. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-32273/ (Markdown: https://insights.sbomify.com/CVE-2023-32273/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-32273
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-32273
- OSV: https://osv.dev/vulnerability/CVE-2023-32273

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-32273/
Summaries are generated and may contain mistakes; the official description above is the record.