# CVE-2020-17482: Information disclosure in n/a

> Authorized users can leak uninitialized memory content by inserting crafted records into a zone in PowerDNS Authoritative Server.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 2 Oct 2020
- **Updated:** 4 Aug 2024
- **Also known as:** DEBIAN-CVE-2020-17482, GHSA-rwvv-h93r-mw45, SUSE-SU-2020:2718-1, SUSE-SU-2020:2785-1, UBUNTU-CVE-2020-17482, openSUSE-SU-2020:1556-1

## What is CVE-2020-17482?

CVE-2020-17482 is a medium-severity vulnerability in n/a, published on 2 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An issue has been found in PowerDNS Authoritative Server before 4.3.1 where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory.

Weakness: CWE-908 (Use of Uninitialized Resource)

## Which versions are affected by CVE-2020-17482?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `pdns` | SUSE:HPE Helion OpenStack 8 | All versions | 4.1.2-3.9.1 |
| `pdns` | SUSE:OpenStack Cloud 8 | All versions | 4.1.2-3.9.1 |
| `pdns` | SUSE:OpenStack Cloud 9 | All versions | 4.1.8-3.6.1 |
| `pdns` | SUSE:Package Hub 12 SP1 | All versions | 4.3.1-bp152.2.5.1 |
| `pdns` | SUSE:Package Hub 15 SP1 | All versions | 4.3.1-bp152.2.5.1 |
| `pdns` | SUSE:Package Hub 15 SP2 | All versions | 4.3.1-bp152.2.5.1 |
| `pdns` | openSUSE:Leap 15.1 | All versions | 4.3.1-bp152.2.5.1 |
| `pdns` | openSUSE:Leap 15.2 | All versions | 4.3.1-bp152.2.5.1 |

Products: Powerdns Authoritative.

## How do I fix CVE-2020-17482?

Upgrade to a fixed version.

## Is CVE-2020-17482 being exploited?

There is no known exploitation of CVE-2020-17482 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2020-24698](https://insights.sbomify.com/CVE-2020-24698/): Use after free in n/a (critical 9.8)
- [CVE-2020-24696](https://insights.sbomify.com/CVE-2020-24696/): Race condition in n/a (high 8.1)
- [CVE-2015-5470](https://insights.sbomify.com/CVE-2015-5470/): Denial of service in n/a (high 7.8)
- [CVE-2026-42001](https://insights.sbomify.com/CVE-2026-42001/): Insufficient Validation of Autoprimary SOA Queries (high 7.5)
- [CVE-2020-24697](https://insights.sbomify.com/CVE-2020-24697/): Denial of service in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-17482 and fix it if it is affected.

What it is: CVE-2020-17482 is a medium-severity vulnerability in n/a, published on 2 Oct 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-2020-17482 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-2020-17482/ (Markdown: https://insights.sbomify.com/CVE-2020-17482/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-17482
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-17482
- OSV: https://osv.dev/vulnerability/CVE-2020-17482

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-17482/
Summaries are generated and may contain mistakes; the official description above is the record.