# CVE-2023-3091: Captura CRYPTBASE.dll uncontrolled search path

> Local attackers can exploit an uncontrolled search path in Captura to execute arbitrary code via DLL hijacking.

- **Severity:** High 7.0 (`CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Jun 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-m892-qjxf-rm97

## What is CVE-2023-3091?

CVE-2023-3091 is a high-severity vulnerability in Captura, published on 3 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in Captura up to 8.0.0. It has been declared as critical. This vulnerability affects unknown code in the library CRYPTBASE.dll. The manipulation leads to uncontrolled search path. Attacking locally is a requirement. The complexity of an attack is rather high. The exploitation appears to be difficult. The identifier of this vulnerability is VDB-230668. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-427 (Uncontrolled Search Path Element)

## Which versions are affected by CVE-2023-3091?

It affects 1 product.


Products: Captura Project Captura.

## How do I fix CVE-2023-3091?

No fix has been published for CVE-2023-3091 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3091 being exploited?

There is no known exploitation of CVE-2023-3091 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3091 and fix it if it is affected.

What it is: CVE-2023-3091 is a high-severity vulnerability in Captura, published on 3 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-3091 in the wild and no public exploit code.

Affected product: Captura. 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-2023-3091/ (Markdown: https://insights.sbomify.com/CVE-2023-3091/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3091
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3091
- OSV: https://osv.dev/vulnerability/CVE-2023-3091

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3091/
Summaries are generated and may contain mistakes; the official description above is the record.