# CVE-2007-2233: Auth bypass in n/a

> Authenticated users can bypass authentication controls to impersonate arbitrary users by injecting commands via the service parameter.

- **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:** 25 Apr 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-j44r-c574-p2hv

## What is CVE-2007-2233?

CVE-2007-2233 is a medium-severity authentication bypass vulnerability in n/a, published on 25 Apr 2007. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.

## Which versions are affected by CVE-2007-2233?

It affects 1 product.


Products: Cosign Cosign.

## How do I fix CVE-2007-2233?

No fix has been published for CVE-2007-2233 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-2233 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-2233 exists.

Public exploit code:

- Cosign 2.0.1/2.9.4a - CGI Register Command Remote Authentication Bypass (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2007-2232](https://insights.sbomify.com/CVE-2007-2232/): Auth bypass in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-2233 and fix it if it is affected.

What it is: CVE-2007-2233 is a medium-severity authentication bypass vulnerability in n/a, published on 25 Apr 2007. 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-2007-2233 exists.

Affected product: n/a. 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-2007-2233/ (Markdown: https://insights.sbomify.com/CVE-2007-2233/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-2233
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-2233
- OSV: https://osv.dev/vulnerability/CVE-2007-2233

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-2233/
Summaries are generated and may contain mistakes; the official description above is the record.