# CVE-2023-42506: Memory corruption in OnSinView2

> Attackers can execute arbitrary code or disclose information by tricking users into opening a malicious project file in OnSinView2.

- **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:** 17 Oct 2023
- **Updated:** 13 Sep 2024
- **Also known as:** GHSA-f9cg-fxjq-h54m

## What is CVE-2023-42506?

CVE-2023-42506 is a high-severity memory corruption vulnerability in JTEKT ELECTRONICS CORPORATION OnSinView2, published on 17 Oct 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

Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user open a specially crafted OnSinView2 project file.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2023-42506?

It affects 1 product.


Products: Jtekt Onsinview2.

## How do I fix CVE-2023-42506?

No fix has been published for CVE-2023-42506 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-42506 being exploited?

There is no known exploitation of CVE-2023-42506 in the wild and no public exploit code.

## Other vulnerabilities in JTEKT ELECTRONICS CORPORATION OnSinView2

- [CVE-2023-42507](https://insights.sbomify.com/CVE-2023-42507/): Memory corruption in OnSinView2 (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-42506 and fix it if it is affected.

What it is: CVE-2023-42506 is a high-severity memory corruption vulnerability in JTEKT ELECTRONICS CORPORATION OnSinView2, published on 17 Oct 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-2023-42506 in the wild and no public exploit code.

Affected product: JTEKT ELECTRONICS CORPORATION OnSinView2. 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-2023-42506/ (Markdown: https://insights.sbomify.com/CVE-2023-42506/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-42506
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42506
- OSV: https://osv.dev/vulnerability/CVE-2023-42506

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-42506/
Summaries are generated and may contain mistakes; the official description above is the record.