# CVE-2012-4857: Memory corruption in n/a

> Remote authenticated users can execute arbitrary code via a crafted SQL statement due to a buffer overflow in IBM Informix.

- **Severity:** Critical 9.0 (`AV:N/AC:L/Au:S/C:C/I:C/A:C`)
- **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:** 8 Dec 2012
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-2q3w-q48r-7m5f

## What is CVE-2012-4857?

CVE-2012-4857 is a critical memory corruption vulnerability in Ibm Informix Dynamic Server, published on 8 Dec 2012. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7 allows remote authenticated users to execute arbitrary code via a crafted SQL statement.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2012-4857?

It affects 1 product.


Products: Ibm Informix Dynamic Server.

## How do I fix CVE-2012-4857?

No fix has been published for CVE-2012-4857 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-4857 being exploited?

There is no known exploitation of CVE-2012-4857 in the wild and no public exploit code.

## 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-2012-4857 and fix it if it is affected.

What it is: CVE-2012-4857 is a critical memory corruption vulnerability in Ibm Informix Dynamic Server, published on 8 Dec 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2012-4857 in the wild and no public exploit code.

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-2012-4857/ (Markdown: https://insights.sbomify.com/CVE-2012-4857/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-4857
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-4857
- OSV: https://osv.dev/vulnerability/CVE-2012-4857

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-4857/
Summaries are generated and may contain mistakes; the official description above is the record.