# CVE-2023-34391: Insecure Inherited Permissions

> Attackers can manipulate configuration file search paths to execute arbitrary code or escalate privileges in SEL AcSELerator RTAC software.

- **Severity:** High 7.4 (`CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 31 Aug 2023
- **Updated:** 1 Oct 2024
- **Also known as:** GHSA-p59g-qjmc-6rf4

## What is CVE-2023-34391?

CVE-2023-34391 is a high-severity path traversal vulnerability in Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software, published on 31 Aug 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

Insecure Inherited Permissions vulnerability in Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software on Windows allows Leveraging/Manipulating Configuration File Search Paths.

See Instruction Manual Appendix A [Cybersecurity] tag dated 20230522 for more details.
 
This issue affects SEL-5033 AcSELerator RTAC Software: before 1.35.151.21000.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource), CWE-277 (Insecure Inherited Permissions)

## Which versions are affected by CVE-2023-34391?

It affects 1 product.


Products: Selinc Sel-5033 Acselerator Real-Time Automation Controller.

## How do I fix CVE-2023-34391?

No fix has been published for CVE-2023-34391 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34391 being exploited?

There is no known exploitation of CVE-2023-34391 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34391 and fix it if it is affected.

What it is: CVE-2023-34391 is a high-severity path traversal vulnerability in Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software, published on 31 Aug 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-2023-34391 in the wild and no public exploit code.

Affected product: Schweitzer Engineering Laboratories SEL-5033 AcSELerator RTAC Software. 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-2023-34391/ (Markdown: https://insights.sbomify.com/CVE-2023-34391/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34391
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34391
- OSV: https://osv.dev/vulnerability/CVE-2023-34391

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-34391/
Summaries are generated and may contain mistakes; the official description above is the record.