# CVE-2023-1188: FabulaTech Webcam for Remote Desktop IoControlCode ftwebcam.sys 0x222018 denial of service

> A local attacker can cause a denial of service in FabulaTech Webcam for Remote Desktop via a specific IoControlCode handler.

- **Severity:** Low 3.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L`)
- **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:** 6 Mar 2023
- **Updated:** 5 Mar 2025
- **Also known as:** GHSA-m4m5-q78m-97q2

## What is CVE-2023-1188?

CVE-2023-1188 is a low-severity denial of service vulnerability in FabulaTech Webcam for Remote Desktop, published on 6 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in FabulaTech Webcam for Remote Desktop 2.8.42. It has been classified as problematic. Affected is the function 0x222018 in the library ftwebcam.sys of the component IoControlCode Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-222360.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2023-1188?

It affects 1 product.


Products: Fabulatech Webcam for Remote Desktop.

## How do I fix CVE-2023-1188?

No fix has been published for CVE-2023-1188 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1188 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1188 exists.

## Other vulnerabilities in FabulaTech Webcam for Remote Desktop

- [CVE-2023-1186](https://insights.sbomify.com/CVE-2023-1186/): FabulaTech Webcam for Remote Desktop IOCTL ftwebcam.sys 0x222018 null pointer dereference (low 3.3)
- [CVE-2023-1187](https://insights.sbomify.com/CVE-2023-1187/): FabulaTech Webcam for Remote Desktop Global Variable ftwebcam.sys denial of service (low 3.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1188 and fix it if it is affected.

What it is: CVE-2023-1188 is a low-severity denial of service vulnerability in FabulaTech Webcam for Remote Desktop, published on 6 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1188 exists.

Affected product: FabulaTech Webcam for Remote Desktop. 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-2023-1188/ (Markdown: https://insights.sbomify.com/CVE-2023-1188/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1188
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1188
- OSV: https://osv.dev/vulnerability/CVE-2023-1188

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1188/
Summaries are generated and may contain mistakes; the official description above is the record.