# CVE-2018-9934: Auth bypass in n/a

> Remote attackers can reset arbitrary user passwords by manipulating the Host header, leading to account takeover.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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:** 10 Apr 2018
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-53fm-qfqh-m632

## What is CVE-2018-9934?

CVE-2018-9934 is a high-severity authentication bypass vulnerability in Metinfo Metinfo, published on 10 Apr 2018. 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

The reset-password feature in MetInfo 6.0 allows remote attackers to change arbitrary passwords via vectors involving a Host HTTP header that is modified to specify a web server under the attacker's control.

## Which versions are affected by CVE-2018-9934?

It affects 1 product.


Products: Metinfo Metinfo.

## How do I fix CVE-2018-9934?

No fix has been published for CVE-2018-9934 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-9934 being exploited?

There is no known exploitation of CVE-2018-9934 in the wild and no public exploit code.

## Other vulnerabilities in Metinfo Metinfo

- [CVE-2022-22295](https://insights.sbomify.com/CVE-2022-22295/): SQL injection in n/a (critical 9.8)
- [CVE-2022-23335](https://insights.sbomify.com/CVE-2022-23335/): SQL injection in n/a (critical 9.8)
- [CVE-2020-21127](https://insights.sbomify.com/CVE-2020-21127/): SQL injection in n/a (critical 9.8)
- [CVE-2020-19305](https://insights.sbomify.com/CVE-2020-19305/): Path traversal in n/a (critical 9.8)
- [CVE-2020-18175](https://insights.sbomify.com/CVE-2020-18175/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-9934 and fix it if it is affected.

What it is: CVE-2018-9934 is a high-severity authentication bypass vulnerability in Metinfo Metinfo, published on 10 Apr 2018. 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-2018-9934 in the wild and no public exploit code.

Affected product: Metinfo Metinfo. 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-2018-9934/ (Markdown: https://insights.sbomify.com/CVE-2018-9934/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-9934
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-9934
- OSV: https://osv.dev/vulnerability/CVE-2018-9934

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-9934/
Summaries are generated and may contain mistakes; the official description above is the record.