# CVE-2024-2828: lakernote EasyAdmin IndexController.java thumbnail server-side request forgery

> Remote attackers can exploit a server-side request forgery vulnerability in EasyAdmin's thumbnail function to access internal resources.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 22 Mar 2024
- **Updated:** 12 Aug 2024
- **Also known as:** GHSA-33pg-fqx9-9w66

## What is CVE-2024-2828?

CVE-2024-2828 is a medium-severity server-side request forgery vulnerability in lakernote EasyAdmin, published on 22 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, was found in lakernote EasyAdmin up to 20240315. Affected is the function thumbnail of the file src/main/java/com/laker/admin/module/sys/controller/IndexController.java. The manipulation of the argument url leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 23165d8cb569048c531150f194fea39f8800b8d5. It is recommended to apply a patch to fix this issue. VDB-257718 is the identifier assigned to this vulnerability.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2024-2828?

It affects 1 product.


Products: Lakernote Easyadmin.

## How do I fix CVE-2024-2828?

No fix has been published for CVE-2024-2828 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-2828 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2828 exists.

## Other vulnerabilities in lakernote EasyAdmin

- [CVE-2024-2825](https://insights.sbomify.com/CVE-2024-2825/): lakernote EasyAdmin saveReportFile path traversal (medium 6.3)
- [CVE-2024-2826](https://insights.sbomify.com/CVE-2024-2826/): lakernote EasyAdmin saveReportFile xml external entity reference (medium 6.3)
- [CVE-2024-2827](https://insights.sbomify.com/CVE-2024-2827/): lakernote EasyAdmin saveReportFile server-side request forgery (medium 6.3)
- [CVE-2024-5383](https://insights.sbomify.com/CVE-2024-5383/): lakernote EasyAdmin upload cross site scripting (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-2828 and fix it if it is affected.

What it is: CVE-2024-2828 is a medium-severity server-side request forgery vulnerability in lakernote EasyAdmin, published on 22 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2828 exists.

Affected product: lakernote EasyAdmin. 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-2024-2828/ (Markdown: https://insights.sbomify.com/CVE-2024-2828/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-2828
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-2828
- OSV: https://osv.dev/vulnerability/CVE-2024-2828

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-2828/
Summaries are generated and may contain mistakes; the official description above is the record.