# CVE-2004-2131: Memory corruption in n/a

> Local users with DSA privileges can execute arbitrary code via a stack-based buffer overflow in ontape using a long ONCONFIG variable.

- **Severity:** High 7.2 (`AV:L/AC:L/Au:N/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 May 2005
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-cqjr-9hf9-qfhh

## What is CVE-2004-2131?

CVE-2004-2131 is a high-severity memory corruption vulnerability in Ibm Informix Dynamic Server, published on 27 May 2005. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Stack-based buffer overflow in ontape for IBM Informix Dynamic Server (IDS) 9.40.xC3 and earlier allows local users, with DSA privileges, to execute arbitrary code via a long ONCONFIG environment variable.

## Which versions are affected by CVE-2004-2131?

It affects 2 products.


Products: Ibm Informix Dynamic Server, Ibm Informix Extended Parallel Server.

## How do I fix CVE-2004-2131?

No fix has been published for CVE-2004-2131 yet. Limit exposure of the affected software until one is available.

## Is CVE-2004-2131 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-2131 exists.

Public exploit code:

- IBM Informix Dynamic Server 9.40/Informix Extended Parallel Server 8.40 - Multiple Vulnerabilities (1) (exploitdb)
- IBM Informix Dynamic Server 9.40/Informix Extended Parallel Server 8.40 - Multiple Vulnerabilities (2) (exploitdb)

## Other vulnerabilities in Ibm Informix Dynamic Server

- [CVE-2010-4070](https://insights.sbomify.com/CVE-2010-4070/): Integer overflow in n/a (critical 10.0)
- [CVE-2009-2753](https://insights.sbomify.com/CVE-2009-2753/): Memory corruption in n/a (critical 10.0)
- [CVE-2008-0949](https://insights.sbomify.com/CVE-2008-0949/): Privilege escalation in n/a (critical 10.0)
- [CVE-2008-0768](https://insights.sbomify.com/CVE-2008-0768/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-1033](https://insights.sbomify.com/CVE-2011-1033/): Memory corruption in n/a (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2004-2131 and fix it if it is affected.

What it is: CVE-2004-2131 is a high-severity memory corruption vulnerability in Ibm Informix Dynamic Server, published on 27 May 2005. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-2131 exists.

Affected product: Ibm Informix Dynamic Server. 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-2004-2131/ (Markdown: https://insights.sbomify.com/CVE-2004-2131/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2004-2131
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2004-2131
- OSV: https://osv.dev/vulnerability/CVE-2004-2131

---
From sbomify Insights: https://insights.sbomify.com/CVE-2004-2131/
Summaries are generated and may contain mistakes; the official description above is the record.