# CVE-2012-3340: XML external entity in InfoSphere Guardium

> A remote authenticated attacker can exploit XML external entity injection in IBM InfoSphere Guardium to obtain sensitive information.

- **Severity:** Medium 4.3 (`CVSS:3.0/I:N/UI:N/AV:N/S:U/PR:L/C:L/A:N/AC:L/E:U/RC:C/RL:O`)
- **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:** 1 Sep 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-r466-3f4p-r69w

## What is CVE-2012-3340?

CVE-2012-3340 is a medium-severity vulnerability in IBM InfoSphere Guardium, published on 1 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

IBM InfoSphere Guardium 8.0, 8.01, and 8.2 is vulnerable to XML external entity injection, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 78291.

Weakness: CWE-776 (Improper Restriction of Recursive Entity References in DTDs)

## Which versions are affected by CVE-2012-3340?

It affects 1 product.


Products: Ibm Infosphere Guardium.

## How do I fix CVE-2012-3340?

No fix has been published for CVE-2012-3340 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-3340 being exploited?

There is no known exploitation of CVE-2012-3340 in the wild and no public exploit code.

## Other vulnerabilities in IBM InfoSphere Guardium

- [CVE-2013-0490](https://insights.sbomify.com/CVE-2013-0490/): Privilege escalation in n/a (high 7.2)
- [CVE-2012-3309](https://insights.sbomify.com/CVE-2012-3309/): Cross-site request forgery in n/a (medium 6.8)
- [CVE-2012-3341](https://insights.sbomify.com/CVE-2012-3341/): Cross-site scripting in InfoSphere Guardium (medium 6.4)
- [CVE-2012-3336](https://insights.sbomify.com/CVE-2012-3336/): SQL injection in InfoSphere Guardium (medium 6.3)
- [CVE-2012-2204](https://insights.sbomify.com/CVE-2012-2204/): InfoSphere Guardium aix_ktap module: DoS (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-3340 and fix it if it is affected.

What it is: CVE-2012-3340 is a medium-severity vulnerability in IBM InfoSphere Guardium, published on 1 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2012-3340 in the wild and no public exploit code.

Affected product: IBM InfoSphere Guardium. 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-2012-3340/ (Markdown: https://insights.sbomify.com/CVE-2012-3340/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-3340
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-3340
- OSV: https://osv.dev/vulnerability/CVE-2012-3340

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-3340/
Summaries are generated and may contain mistakes; the official description above is the record.