# CVE-2012-5609: File upload in n/a

> Authenticated users can execute arbitrary PHP code by uploading a malicious file via a ZIP archive due to incomplete blacklist validation.

- **Severity:** Medium 6.5 (`AV:N/AC:L/Au:S/C:P/I:P/A:P`)
- **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:** 18 Dec 2012
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-5m87-5j4w-qvwf

## What is CVE-2012-5609?

CVE-2012-5609 is a medium-severity vulnerability in Owncloud Owncloud, published on 18 Dec 2012. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a crafted mount.php file in a ZIP file.

## Which versions are affected by CVE-2012-5609?

It affects 2 products.


Products: Owncloud Owncloud, Owncloud Owncloud Server.

## How do I fix CVE-2012-5609?

No fix has been published for CVE-2012-5609 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-5609 being exploited?

There is no known exploitation of CVE-2012-5609 in the wild and no public exploit code.

## Other vulnerabilities in Owncloud Owncloud

- [CVE-2021-35946](https://insights.sbomify.com/CVE-2021-35946/): Privilege escalation in n/a (critical 9.8)
- [CVE-2014-2052](https://insights.sbomify.com/CVE-2014-2052/): XML external entity in n/a (critical 9.8)
- [CVE-2014-2048](https://insights.sbomify.com/CVE-2014-2048/): Auth bypass in n/a (critical 9.8)
- [CVE-2020-28645](https://insights.sbomify.com/CVE-2020-28645/): Path traversal in n/a (critical 9.1)
- [CVE-2015-4718](https://insights.sbomify.com/CVE-2015-4718/): Command injection in n/a (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-5609 and fix it if it is affected.

What it is: CVE-2012-5609 is a medium-severity vulnerability in Owncloud Owncloud, published on 18 Dec 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2012-5609 in the wild and no public exploit code.

Affected product: Owncloud Owncloud. 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-2012-5609/ (Markdown: https://insights.sbomify.com/CVE-2012-5609/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-5609
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-5609
- OSV: https://osv.dev/vulnerability/CVE-2012-5609

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-5609/
Summaries are generated and may contain mistakes; the official description above is the record.