# CVE-2012-0206: Denial of service in n/a

> Remote attackers can cause a denial of service in PowerDNS Authoritative Server via a crafted UDP DNS response, requiring an upgrade to mitigate.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 17 Feb 2012
- **Updated:** 16 Sep 2024
- **Also known as:** DEBIAN-CVE-2012-0206, DSA-2385-1, GHSA-4fvg-fh8j-g524

## What is CVE-2012-0206?

CVE-2012-0206 is a medium-severity denial of service vulnerability in n/a, published on 17 Feb 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

common_startup.cc in PowerDNS (aka pdns) Authoritative Server before 2.9.22.5 and 3.x before 3.0.1 allows remote attackers to cause a denial of service (packet loop) via a crafted UDP DNS response.

Weakness: CWE-399

## Which versions are affected by CVE-2012-0206?

It affects 1 product.


Products: Powerdns Authoritative Server.

## How do I fix CVE-2012-0206?

Upgrade to a fixed version.

## Is CVE-2012-0206 being exploited?

There is no known exploitation of CVE-2012-0206 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2021-36754](https://insights.sbomify.com/CVE-2021-36754/): Denial of service in n/a (high 7.5)
- [CVE-2008-3337](https://insights.sbomify.com/CVE-2008-3337/): Other in n/a (medium 6.4)
- [CVE-2019-10203](https://insights.sbomify.com/CVE-2019-10203/): Integer overflow in pdns (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-0206 and fix it if it is affected.

What it is: CVE-2012-0206 is a medium-severity denial of service vulnerability in n/a, published on 17 Feb 2012. 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-2012-0206 in the wild and no public exploit code.

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-2012-0206/ (Markdown: https://insights.sbomify.com/CVE-2012-0206/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-0206
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-0206
- OSV: https://osv.dev/vulnerability/CVE-2012-0206

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-0206/
Summaries are generated and may contain mistakes; the official description above is the record.