# CVE-2024-7906: DedeBIZ Attachment Settings select_images_post.php get_mime_type unrestricted upload

> Remote attackers with permissions can upload malicious files via unrestricted upload in DedeBIZ, potentially leading to code execution.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA: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:** 18 Aug 2024
- **Updated:** 20 Aug 2024
- **Also known as:** GHSA-pg89-rxqx-q64g

## What is CVE-2024-7906?

CVE-2024-7906 is a medium-severity vulnerability in DedeBIZ, published on 18 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical was found in DedeBIZ 6.3.0. This vulnerability affects the function get_mime_type of the file /admin/dialog/select_images_post.php of the component Attachment Settings. The manipulation of the argument upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2024-7906?

It affects 1 product.


Products: Dedebiz Dedebiz.

## How do I fix CVE-2024-7906?

No fix has been published for CVE-2024-7906 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7906 being exploited?

There is no known exploitation of CVE-2024-7906 in the wild and no public exploit code.

## Other vulnerabilities in DedeBIZ

- [CVE-2024-52770](https://insights.sbomify.com/CVE-2024-52770/): File upload in n/a (critical 9.8)
- [CVE-2023-43234](https://insights.sbomify.com/CVE-2023-43234/): Code injection in n/a (critical 9.8)
- [CVE-2023-31546](https://insights.sbomify.com/CVE-2023-31546/): Cross-site scripting in n/a (critical 9.6)
- [CVE-2024-52771](https://insights.sbomify.com/CVE-2024-52771/): Path traversal in n/a (critical 9.1)
- [CVE-2024-52769](https://insights.sbomify.com/CVE-2024-52769/): File upload in n/a (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7906 and fix it if it is affected.

What it is: CVE-2024-7906 is a medium-severity vulnerability in DedeBIZ, published on 18 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-7906 in the wild and no public exploit code.

Affected product: DedeBIZ. 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-2024-7906/ (Markdown: https://insights.sbomify.com/CVE-2024-7906/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7906
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7906
- OSV: https://osv.dev/vulnerability/CVE-2024-7906

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-7906/
Summaries are generated and may contain mistakes; the official description above is the record.