# CVE-2022-25209: Improper Restriction of XML External Entity Reference in Jenkins Chef Sinatra

> An attacker can exploit XML external entity vulnerabilities in the Jenkins Chef Sinatra Plugin to read sensitive files or cause denial of service.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 15 Feb 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-38w8-h222-wrpp

## What is CVE-2022-25209?

CVE-2022-25209 is a high-severity vulnerability in Jenkins Chef Sinatra Plugin, published on 15 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Jenkins Chef Sinatra Plugin 1.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2022-25209?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:sinatra-chef-builder. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.jenkins-ci.plugins:sinatra-chef-builder` | Maven | All versions to 1.20 | None |
| `org.jenkins-ci.plugins:sinatra-chef-builder` | Maven | All versions to 1.20 | None |

Products: Jenkins Chef Sinatra.

## How do I fix CVE-2022-25209?

No fix has been published for CVE-2022-25209 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-25209 being exploited?

There is no known exploitation of CVE-2022-25209 in the wild and no public exploit code.

## Other vulnerabilities in Jenkins Chef Sinatra Plugin

- [CVE-2022-25207](https://insights.sbomify.com/CVE-2022-25207/): CSRF vulnerability in Jenkins Chef Sinatra Plugin allow XXE (high 8.8)
- [CVE-2022-25208](https://insights.sbomify.com/CVE-2022-25208/): Missing permission checks in Jenkins Chef Sinatra Plugin allow XXE (high 8.8)
- [CVE-2019-1003086](https://insights.sbomify.com/CVE-2019-1003086/): CSRF vulnerability in Jenkins sinatra-chef-builder Plugin (medium 6.5)
- [CVE-2019-1003087](https://insights.sbomify.com/CVE-2019-1003087/): Missing permission check in Jenkins sinatra-chef-builder Plugin (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-25209 and fix it if it is affected.

What it is: CVE-2022-25209 is a high-severity vulnerability in Jenkins Chef Sinatra Plugin, published on 15 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-25209 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.jenkins-ci.plugins:sinatra-chef-builder (Maven): affected all versions up to 1.20; no fix listed
- org.jenkins-ci.plugins:sinatra-chef-builder (Maven): affected all versions up to 1.20; no fix listed

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-2022-25209/ (Markdown: https://insights.sbomify.com/CVE-2022-25209/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-25209
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-25209
- OSV: https://osv.dev/vulnerability/CVE-2022-25209

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-25209/
Summaries are generated and may contain mistakes; the official description above is the record.