# CVE-2023-6908: DFIRKuiper TAR Archive case_management.py unzip_file path traversal

> Remote attackers can exploit a path traversal vulnerability in the TAR archive handler to read or modify arbitrary files on the server.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-c372-hwmc-mqg5

## What is CVE-2023-6908?

CVE-2023-6908 is a low-severity path traversal vulnerability in DFIRKuiper Kuiper, published on 18 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability, which was classified as problematic, was found in DFIRKuiper Kuiper 2.3.4. This affects the function unzip_file of the file kuiper/app/controllers/case_management.py of the component TAR Archive Handler. The manipulation of the argument dst_path leads to path traversal. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. Upgrading to version 2.3.5 is able to address this issue. The identifier of the patch is 94fa135153002f651f5526c55a7240e083db8d73. It is recommended to upgrade the affected component. The identifier VDB-248277 was assigned to this vulnerability.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2023-6908?

It affects 1 product.


Products: Dfirkuiper Kuiper.

## How do I fix CVE-2023-6908?

No fix has been published for CVE-2023-6908 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6908 being exploited?

There is no known exploitation of CVE-2023-6908 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6908 and fix it if it is affected.

What it is: CVE-2023-6908 is a low-severity path traversal vulnerability in DFIRKuiper Kuiper, published on 18 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-6908 in the wild and no public exploit code.

Affected product: DFIRKuiper Kuiper. 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-2023-6908/ (Markdown: https://insights.sbomify.com/CVE-2023-6908/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6908
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6908
- OSV: https://osv.dev/vulnerability/CVE-2023-6908

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6908/
Summaries are generated and may contain mistakes; the official description above is the record.