# CVE-2023-1644: IObit Malware Fighter IOCTL IMFCameraProtect.sys 0x8018E010 denial of service

> A local attacker can cause a denial of service in IObit Malware Fighter by exploiting a flaw in the IMFCameraProtect.sys driver.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:** 26 Mar 2023
- **Updated:** 22 Nov 2024
- **Also known as:** GHSA-5wgw-p65x-294q

## What is CVE-2023-1644?

CVE-2023-1644 is a medium-severity denial of service vulnerability in IObit Malware Fighter, published on 26 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 IObit Malware Fighter 9.4.0.776 and classified as problematic. Affected by this issue is the function 0x8018E010 in the library IMFCameraProtect.sys of the component IOCTL Handler. The manipulation leads to denial of service. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224024.

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

## Which versions are affected by CVE-2023-1644?

It affects 1 product.


Products: Iobit Malware Fighter.

## How do I fix CVE-2023-1644?

No fix has been published for CVE-2023-1644 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1644 being exploited?

There is no known exploitation of CVE-2023-1644 in the wild and no public exploit code.

## Other vulnerabilities in IObit Malware Fighter

- [CVE-2016-20059](https://insights.sbomify.com/CVE-2016-20059/): IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation (high 8.5)
- [CVE-2020-23864](https://insights.sbomify.com/CVE-2020-23864/): Privilege escalation in n/a (high 7.8)
- [CVE-2018-19084](https://insights.sbomify.com/CVE-2018-19084/): Memory corruption in n/a (high 7.8)
- [CVE-2018-19085](https://insights.sbomify.com/CVE-2018-19085/): Memory corruption in n/a (high 7.8)
- [CVE-2018-19086](https://insights.sbomify.com/CVE-2018-19086/): Memory corruption in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1644 and fix it if it is affected.

What it is: CVE-2023-1644 is a medium-severity denial of service vulnerability in IObit Malware Fighter, published on 26 Mar 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-2023-1644 in the wild and no public exploit code.

Affected product: IObit Malware Fighter. 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-2023-1644/ (Markdown: https://insights.sbomify.com/CVE-2023-1644/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1644
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1644
- OSV: https://osv.dev/vulnerability/CVE-2023-1644

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1644/
Summaries are generated and may contain mistakes; the official description above is the record.