# CVE-2018-3109: Information disclosure in Fusion Middleware MapViewer

> A low-privileged attacker can exploit this vulnerability to gain unauthorized access to critical data within Oracle Fusion Middleware MapViewer.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Aug 2018
- **Updated:** 2 Oct 2024
- **Also known as:** GHSA-84q2-jhwj-fm22

## What is CVE-2018-3109?

CVE-2018-3109 is a medium-severity vulnerability in Oracle Fusion Middleware, published on 2 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Vulnerability in the Oracle Fusion Middleware MapViewer component of Oracle Fusion Middleware (subcomponent: Map Builder). Supported versions that are affected are 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Fusion Middleware MapViewer. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Fusion Middleware MapViewer accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

## Which versions are affected by CVE-2018-3109?

It affects 1 product.


Products: Oracle Fusion Middleware.

## How do I fix CVE-2018-3109?

No fix has been published for CVE-2018-3109 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-3109 being exploited?

There is no known exploitation of CVE-2018-3109 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Fusion Middleware

- [CVE-2012-1710](https://insights.sbomify.com/CVE-2012-1710/): Oracle Fusion Middleware Unspecified (critical 9.8, exploited in the wild)
- [CVE-2012-3152](https://insights.sbomify.com/CVE-2012-3152/): Oracle Fusion Middleware Unspecified (critical 9.1, exploited in the wild)
- [CVE-2012-0518](https://insights.sbomify.com/CVE-2012-0518/): Oracle Fusion Middleware Unspecified (medium 4.7, exploited in the wild)
- [CVE-2013-2380](https://insights.sbomify.com/CVE-2013-2380/): Other in n/a (critical 10.0)
- [CVE-2012-3135](https://insights.sbomify.com/CVE-2012-3135/): Other in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-3109 and fix it if it is affected.

What it is: CVE-2018-3109 is a medium-severity vulnerability in Oracle Fusion Middleware, published on 2 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-3109 in the wild and no public exploit code.

Affected product: Oracle Fusion Middleware. 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-2018-3109/ (Markdown: https://insights.sbomify.com/CVE-2018-3109/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-3109
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-3109
- OSV: https://osv.dev/vulnerability/CVE-2018-3109

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-3109/
Summaries are generated and may contain mistakes; the official description above is the record.