# CVE-2023-34041: CVE-2023-34041-Abuse of HTTP Hop-by-Hop Headers in Cloud Foundry Gorouter

> An unauthenticated attacker can manipulate HTTP headers to corrupt identification values in Cloud Foundry Gorouter logs.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-9jjv-6rgq-8j87

## What is CVE-2023-34041?

CVE-2023-34041 is a medium-severity vulnerability in Cloud Foundry CF Deployment, published on 8 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Cloud foundry routing release versions prior to 0.278.0 are vulnerable to abuse of HTTP Hop-by-Hop Headers. An unauthenticated attacker can use this vulnerability for headers like B3 or X-B3-SpanID to affect the identification value recorded in the logs in foundations.

## Which versions are affected by CVE-2023-34041?

It affects 2 products.


Products: Cloudfoundry Cf-Deployment, Cloudfoundry Routing-Release.

## How do I fix CVE-2023-34041?

No fix has been published for CVE-2023-34041 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34041 being exploited?

There is no known exploitation of CVE-2023-34041 in the wild and no public exploit code.

## Other vulnerabilities in Cloud Foundry CF Deployment

- [CVE-2022-31733](https://insights.sbomify.com/CVE-2022-31733/): Auth bypass in Cloud Foundry Diego and CF Deployment (critical 9.1)
- [CVE-2020-5402](https://insights.sbomify.com/CVE-2020-5402/): UAA fails to check the state parameter when authenticating with external IDPs (high 8.8)
- [CVE-2019-11293](https://insights.sbomify.com/CVE-2019-11293/): UAA logs all query parameters with debug logging level (high 8.8)
- [CVE-2019-11290](https://insights.sbomify.com/CVE-2019-11290/): Cloud Foundry UAA logs query parameters in tomcat access file (high 8.8)
- [CVE-2019-11283](https://insights.sbomify.com/CVE-2019-11283/): Password leak in smbdriver logs (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34041 and fix it if it is affected.

What it is: CVE-2023-34041 is a medium-severity vulnerability in Cloud Foundry CF Deployment, published on 8 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-34041 in the wild and no public exploit code.

Affected product: Cloud Foundry CF Deployment. 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-2023-34041/ (Markdown: https://insights.sbomify.com/CVE-2023-34041/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34041
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34041
- OSV: https://osv.dev/vulnerability/CVE-2023-34041

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34041/
Summaries are generated and may contain mistakes; the official description above is the record.