# CVE-2018-19086: Memory corruption in n/a

> A stack-based buffer overflow in IOBit Malware Fighter allows attackers to execute arbitrary code with root privileges via a crafted IOCTL request.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/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:** 10 Nov 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-vx8p-63gg-hx9v

## What is CVE-2018-19086?

CVE-2018-19086 is a high-severity memory corruption vulnerability in n/a, published on 10 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

RegFilter.sys in IOBit Malware Fighter 6.2 is susceptible to a stack-based buffer overflow when an attacker uses IOCTL 0x8006E040 with a size larger than 8 bytes. This can lead to denial of service or code execution with root privileges.

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2018-19086?

It affects 1 product.


Products: Iobit Malware Fighter.

## How do I fix CVE-2018-19086?

No fix has been published for CVE-2018-19086 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-19086 being exploited?

There is no known exploitation of CVE-2018-19086 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [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-2018-19087](https://insights.sbomify.com/CVE-2018-19087/): Memory corruption in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-19086 and fix it if it is affected.

What it is: CVE-2018-19086 is a high-severity memory corruption vulnerability in n/a, published on 10 Nov 2018. 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-2018-19086 in the wild and no public exploit code.

Affected product: n/a. 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-2018-19086/ (Markdown: https://insights.sbomify.com/CVE-2018-19086/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-19086
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-19086
- OSV: https://osv.dev/vulnerability/CVE-2018-19086

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-19086/
Summaries are generated and may contain mistakes; the official description above is the record.